125431370 has 16 divisors (see below), whose sum is σ = 229147488. Its totient is φ = 49423440.

The previous prime is 125431367. The next prime is 125431393. The reversal of 125431370 is 73134521.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92936 + ... + 94275.

It is an arithmetic number, because the mean of its divisors is an integer number (14321718).

Almost surely, 2^125431370 is an apocalyptic number.

125431370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125431370 is a deficient number, since it is larger than the sum of its proper divisors (103716118).

125431370 is a wasteful number, since it uses less digits than its factorization.

125431370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187285.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 125431370 is about 11199.6147255162. The cubic root of 125431370 is about 500.5744996475.

Adding to 125431370 its reverse (73134521), we get a palindrome (198565891).

The spelling of 125431370 in words is "one hundred twenty-five million, four hundred thirty-one thousand, three hundred seventy".