125425236442 has 12 divisors (see below), whose sum is σ = 206796154698. Its totient is φ = 57011471000.

The previous prime is 125425236421. The next prime is 125425236463. The reversal of 125425236442 is 244632524521.

It is an interprime number because it is at equal distance from previous prime (125425236421) and next prime (125425236463).

It can be written as a sum of positive squares in only one way, i.e., 101263331961 + 24161904481 = 318219^2 + 155441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125425236395 and 125425236404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 259142809 + ... + 259143292.

Almost surely, 2^125425236442 is an apocalyptic number.

125425236442 is a deficient number, since it is larger than the sum of its proper divisors (81370918256).

125425236442 is a wasteful number, since it uses less digits than its factorization.

125425236442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518286125 (or 518286114 counting only the distinct ones).

The product of its digits is 460800, while the sum is 40.

The spelling of 125425236442 in words is "one hundred twenty-five billion, four hundred twenty-five million, two hundred thirty-six thousand, four hundred forty-two".