125312554 has 8 divisors (see below), whose sum is σ = 189906948. Its totient is φ = 62010240.

The previous prime is 125312549. The next prime is 125312569. The reversal of 125312554 is 455213521.

It can be written as a sum of positive squares in 2 ways, for example, as 120494529 + 4818025 = 10977^2 + 2195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322777 + ... + 323164.

Almost surely, 2^125312554 is an apocalyptic number.

125312554 is a deficient number, since it is larger than the sum of its proper divisors (64594394).

125312554 is an equidigital number, since it uses as much as digits as its factorization.

125312554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646040.

The product of its digits is 6000, while the sum is 28.

The square root of 125312554 is about 11194.3090005592. The cubic root of 125312554 is about 500.4163918061.

The spelling of 125312554 in words is "one hundred twenty-five million, three hundred twelve thousand, five hundred fifty-four".