125355204402 has 16 divisors (see below), whose sum is σ = 251292108672. Its totient is φ = 41688118160.

The previous prime is 125355204397. The next prime is 125355204407. The reversal of 125355204402 is 204402553521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (125355204397) and next prime (125355204407).

It is not an unprimeable number, because it can be changed into a prime (125355204407) 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, 24234693 + ... + 24239864.

It is an arithmetic number, because the mean of its divisors is an integer number (15705756792).

Almost surely, 2^125355204402 is an apocalyptic number.

125355204402 is an abundant number, since it is smaller than the sum of its proper divisors (125936904270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125355204402 is a wasteful number, since it uses less digits than its factorization.

125355204402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48474993.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 125355204402 its reverse (204402553521), we get a palindrome (329757757923).

The spelling of 125355204402 in words is "one hundred twenty-five billion, three hundred fifty-five million, two hundred four thousand, four hundred two".