125667878 has 8 divisors (see below), whose sum is σ = 215430672. Its totient is φ = 53857656.

The previous prime is 125667863. The next prime is 125667889. The reversal of 125667878 is 878766521.

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

It is a super-2 number, since 2×125667878² = 31584831122045768, which contains 22 as substring.

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, 4488125 + ... + 4488152.

It is an arithmetic number, because the mean of its divisors is an integer number (26928834).

Almost surely, 2^125667878 is an apocalyptic number.

125667878 is a deficient number, since it is larger than the sum of its proper divisors (89762794).

125667878 is an equidigital number, since it uses as much as digits as its factorization.

125667878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8976286.

The product of its digits is 1128960, while the sum is 50.

The square root of 125667878 is about 11210.1685089922. The cubic root of 125667878 is about 500.8889226963. Note that the first 3 decimals are identical.

The spelling of 125667878 in words is "one hundred twenty-five million, six hundred sixty-seven thousand, eight hundred seventy-eight".