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121234201 = 1111021291
BaseRepresentation
bin1110011100111…
…10001100011001
322110010100001121
413032132030121
5222013443301
620010245241
73001321324
oct716361431
9273110047
10121234201
1162485060
1234726821
131c16991a
141215b7bb
15a99b3a1
hex739e319

121234201 has 4 divisors (see below), whose sum is σ = 132255504. Its totient is φ = 110212900.

The previous prime is 121234187. The next prime is 121234207. The reversal of 121234201 is 102432121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121234201 - 213 = 121226009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121234207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5510635 + ... + 5510656.

It is an arithmetic number, because the mean of its divisors is an integer number (33063876).

Almost surely, 2121234201 is an apocalyptic number.

121234201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121234201 is a deficient number, since it is larger than the sum of its proper divisors (11021303).

121234201 is a wasteful number, since it uses less digits than its factorization.

121234201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11021302.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121234201 is about 11010.6403537669. The cubic root of 121234201 is about 494.9276512293.

Adding to 121234201 its reverse (102432121), we get a palindrome (223666322).

The spelling of 121234201 in words is "one hundred twenty-one million, two hundred thirty-four thousand, two hundred one".

Divisors: 1 11 11021291 121234201