125400554 has 16 divisors (see below), whose sum is σ = 196680960. Its totient is φ = 59851440.

The previous prime is 125400529. The next prime is 125400593. The reversal of 125400554 is 455004521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22367 + ... + 27405.

It is an arithmetic number, because the mean of its divisors is an integer number (12292560).

Almost surely, 2^125400554 is an apocalyptic number.

125400554 is a deficient number, since it is larger than the sum of its proper divisors (71280406).

125400554 is a wasteful number, since it uses less digits than its factorization.

125400554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605.

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

The square root of 125400554 is about 11198.2388793953. The cubic root of 125400554 is about 500.5335025476.

The spelling of 125400554 in words is "one hundred twenty-five million, four hundred thousand, five hundred fifty-four".