10131872 has 12 divisors (see below), whose sum is σ = 19947186. Its totient is φ = 5065920.

The previous prime is 10131871. The next prime is 10131923. The reversal of 10131872 is 27813101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8271376 + 1860496 = 2876^2 + 1364^2 .

It is not an unprimeable number, because it can be changed into a prime (10131871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158279 + ... + 158342.

Almost surely, 2^10131872 is an apocalyptic number.

It is an amenable number.

10131872 is a deficient number, since it is larger than the sum of its proper divisors (9815314).

10131872 is an equidigital number, since it uses as much as digits as its factorization.

10131872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316631 (or 316623 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 10131872 is about 3183.0601627993. The cubic root of 10131872 is about 216.3863683738.

Adding to 10131872 its reverse (27813101), we get a palindrome (37944973).

The spelling of 10131872 in words is "ten million, one hundred thirty-one thousand, eight hundred seventy-two".