125971210 has 8 divisors (see below), whose sum is σ = 226748196. Its totient is φ = 50388480.

The previous prime is 125971193. The next prime is 125971211. The reversal of 125971210 is 12179521.

It can be written as a sum of positive squares in 2 ways, for example, as 122522761 + 3448449 = 11069^2 + 1857^2 .

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

It is not an unprimeable number, because it can be changed into a prime (125971211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6298551 + ... + 6298570.

Almost surely, 2^125971210 is an apocalyptic number.

125971210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125971210 is a deficient number, since it is larger than the sum of its proper divisors (100776986).

125971210 is a wasteful number, since it uses less digits than its factorization.

125971210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12597128.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 125971210 is about 11223.6896785326. The cubic root of 125971210 is about 501.2916072949.

The spelling of 125971210 in words is "one hundred twenty-five million, nine hundred seventy-one thousand, two hundred ten".