125525402 has 4 divisors (see below), whose sum is σ = 188288106. Its totient is φ = 62762700.

The previous prime is 125525363. The next prime is 125525437. The reversal of 125525402 is 204525521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204525521 = 17 ⋅12030913.

It can be written as a sum of positive squares in only one way, i.e., 125462401 + 63001 = 11201^2 + 251^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31381349 + ... + 31381352.

Almost surely, 2^125525402 is an apocalyptic number.

125525402 is a deficient number, since it is larger than the sum of its proper divisors (62762704).

125525402 is an equidigital number, since it uses as much as digits as its factorization.

125525402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62762703.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 125525402 is about 11203.8119405852. The cubic root of 125525402 is about 500.6995567841.

The spelling of 125525402 in words is "one hundred twenty-five million, five hundred twenty-five thousand, four hundred two".