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121432301 = 314391097
BaseRepresentation
bin1110011110011…
…10100011101101
322110111101210122
413033032203231
5222041313201
620014414325
73003105014
oct717164355
9273441718
10121432301
11625aa981
12348013a5
131c208b43
14121ada7b
15a9d9e1b
hex73ce8ed

121432301 has 8 divisors (see below), whose sum is σ = 128265984. Its totient is φ = 114780960.

The previous prime is 121432291. The next prime is 121432321. The reversal of 121432301 is 103234121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121432301 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121432301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121432321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44216 + ... + 46881.

It is an arithmetic number, because the mean of its divisors is an integer number (16033248).

Almost surely, 2121432301 is an apocalyptic number.

It is an amenable number.

121432301 is a deficient number, since it is larger than the sum of its proper divisors (6833683).

121432301 is an equidigital number, since it uses as much as digits as its factorization.

121432301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91171.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 121432301 is about 11019.6325256335. The cubic root of 121432301 is about 495.1970796373.

Adding to 121432301 its reverse (103234121), we get a palindrome (224666422).

The spelling of 121432301 in words is "one hundred twenty-one million, four hundred thirty-two thousand, three hundred one".

Divisors: 1 31 43 1333 91097 2824007 3917171 121432301