125455870 has 8 divisors (see below), whose sum is σ = 225820584. Its totient is φ = 50182344.

The previous prime is 125455849. The next prime is 125455919. The reversal of 125455870 is 78554521.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6272784 + ... + 6272803.

It is an arithmetic number, because the mean of its divisors is an integer number (28227573).

Almost surely, 2^125455870 is an apocalyptic number.

125455870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125455870 is a deficient number, since it is larger than the sum of its proper divisors (100364714).

125455870 is a wasteful number, since it uses less digits than its factorization.

125455870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12545594.

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 125455870 is about 11200.7084597359. The cubic root of 125455870 is about 500.6070892536.

The spelling of 125455870 in words is "one hundred twenty-five million, four hundred fifty-five thousand, eight hundred seventy".