125603902 has 4 divisors (see below), whose sum is σ = 188405856. Its totient is φ = 62801950.

The previous prime is 125603887. The next prime is 125603921. The reversal of 125603902 is 209306521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 209306521 = 37 ⋅5656933.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31400974 + ... + 31400977.

It is an arithmetic number, because the mean of its divisors is an integer number (47101464).

Almost surely, 2^125603902 is an apocalyptic number.

125603902 is a deficient number, since it is larger than the sum of its proper divisors (62801954).

125603902 is an equidigital number, since it uses as much as digits as its factorization.

125603902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62801953.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 125603902 is about 11207.3146649855. The cubic root of 125603902 is about 500.8039094332.

The spelling of 125603902 in words is "one hundred twenty-five million, six hundred three thousand, nine hundred two".