125691478 has 8 divisors (see below), whose sum is σ = 205677000. Its totient is φ = 57132480.

The previous prime is 125691463. The next prime is 125691491. The reversal of 125691478 is 874196521.

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, 2856603 + ... + 2856646.

It is an arithmetic number, because the mean of its divisors is an integer number (25709625).

Almost surely, 2^125691478 is an apocalyptic number.

125691478 is a deficient number, since it is larger than the sum of its proper divisors (79985522).

125691478 is a wasteful number, since it uses less digits than its factorization.

125691478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713262.

The product of its digits is 120960, while the sum is 43.

The square root of 125691478 is about 11211.2210753334. The cubic root of 125691478 is about 500.9202758123.

The spelling of 125691478 in words is "one hundred twenty-five million, six hundred ninety-one thousand, four hundred seventy-eight".