125144690 has 32 divisors (see below), whose sum is σ = 248866560. Its totient is φ = 44928000.

The previous prime is 125144689. The next prime is 125144699. The reversal of 125144690 is 96441521.

It is a super-2 number, since 2×125144690² = 31322386870392200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125144699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1490 + ... + 15890.

It is an arithmetic number, because the mean of its divisors is an integer number (7777080).

Almost surely, 2^125144690 is an apocalyptic number.

125144690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125144690 is a deficient number, since it is larger than the sum of its proper divisors (123721870).

125144690 is a wasteful number, since it uses less digits than its factorization.

125144690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14498.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 125144690 is about 11186.8087495943. The cubic root of 125144690 is about 500.1928456116.

The spelling of 125144690 in words is "one hundred twenty-five million, one hundred forty-four thousand, six hundred ninety".