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121425241 = 742141203
BaseRepresentation
bin1110011110011…
…00110101011001
322110111001010011
413033030311121
5222041101431
620014321521
73003045310
oct717146531
9273431104
10121425241
11625a5643
12347b92a1
131c205872
14121ab277
15a9d7cb1
hex73ccd59

121425241 has 8 divisors (see below), whose sum is σ = 139104704. Its totient is φ = 103829040.

The previous prime is 121425217. The next prime is 121425277. The reversal of 121425241 is 142524121.

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

It is not a de Polignac number, because 121425241 - 25 = 121425209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121425041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17655 + ... + 23548.

It is an arithmetic number, because the mean of its divisors is an integer number (17388088).

Almost surely, 2121425241 is an apocalyptic number.

It is an amenable number.

121425241 is a deficient number, since it is larger than the sum of its proper divisors (17679463).

121425241 is an equidigital number, since it uses as much as digits as its factorization.

121425241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41631.

The product of its digits is 640, while the sum is 22.

The square root of 121425241 is about 11019.3121836165. The cubic root of 121425241 is about 495.1874826325.

Adding to 121425241 its reverse (142524121), we get a palindrome (263949362).

The spelling of 121425241 in words is "one hundred twenty-one million, four hundred twenty-five thousand, two hundred forty-one".

Divisors: 1 7 421 2947 41203 288421 17346463 121425241