125903554 has 16 divisors (see below), whose sum is σ = 215978688. Its totient is φ = 53922672.

The previous prime is 125903551. The next prime is 125903597. The reversal of 125903554 is 455309521.

It is not an unprimeable number, because it can be changed into a prime (125903551) 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, 39297 + ... + 42379.

It is an arithmetic number, because the mean of its divisors is an integer number (13498668).

Almost surely, 2^125903554 is an apocalyptic number.

125903554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

125903554 is a deficient number, since it is larger than the sum of its proper divisors (90075134).

125903554 is a wasteful number, since it uses less digits than its factorization.

125903554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6009.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 125903554 is about 11220.6752916213. The cubic root of 125903554 is about 501.2018474773.

The spelling of 125903554 in words is "one hundred twenty-five million, nine hundred three thousand, five hundred fifty-four".