125279998 has 8 divisors (see below), whose sum is σ = 188183520. Its totient is φ = 62552160.

The previous prime is 125279989. The next prime is 125280013. The reversal of 125279998 is 899972521.

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

It is a congruent number.

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, 42123 + ... + 44998.

It is an arithmetic number, because the mean of its divisors is an integer number (23522940).

Almost surely, 2^125279998 is an apocalyptic number.

125279998 is a deficient number, since it is larger than the sum of its proper divisors (62903522).

125279998 is an equidigital number, since it uses as much as digits as its factorization.

125279998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87842.

The product of its digits is 816480, while the sum is 52.

The square root of 125279998 is about 11192.8547743639. The cubic root of 125279998 is about 500.3730522615.

The spelling of 125279998 in words is "one hundred twenty-five million, two hundred seventy-nine thousand, nine hundred ninety-eight".