125240604845131 has 4 divisors (see below), whose sum is σ = 125244845862264. Its totient is φ = 125236363828000.

The previous prime is 125240604845117. The next prime is 125240604845149. The reversal of 125240604845131 is 131548406042521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125240604845131 is a prime.

It is a super-2 number, since 2×125240604845131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125240604645131) 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, 2120464270 + ... + 2120523331.

It is an arithmetic number, because the mean of its divisors is an integer number (31311211465566).

Almost surely, 2^{125240604845131} is an apocalyptic number.

125240604845131 is a deficient number, since it is larger than the sum of its proper divisors (4241017133).

125240604845131 is an equidigital number, since it uses as much as digits as its factorization.

125240604845131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241017132.

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 125240604845131 in words is "one hundred twenty-five trillion, two hundred forty billion, six hundred four million, eight hundred forty-five thousand, one hundred thirty-one".