125416402 has 4 divisors (see below), whose sum is σ = 188124606. Its totient is φ = 62708200.

The previous prime is 125416399. The next prime is 125416411. The reversal of 125416402 is 204614521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204614521 = 13763 ⋅14867.

It can be written as a sum of positive squares in only one way, i.e., 123676641 + 1739761 = 11121^2 + 1319^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31354099 + ... + 31354102.

Almost surely, 2^125416402 is an apocalyptic number.

125416402 is a deficient number, since it is larger than the sum of its proper divisors (62708204).

125416402 is an equidigital number, since it uses as much as digits as its factorization.

125416402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62708203.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 125416402 is about 11198.9464683067. The cubic root of 125416402 is about 500.5545873051.

The spelling of 125416402 in words is "one hundred twenty-five million, four hundred sixteen thousand, four hundred two".