1253104931 has 4 divisors (see below), whose sum is σ = 1349497632. Its totient is φ = 1156712232.

The previous prime is 1253104921. The next prime is 1253104939. The reversal of 1253104931 is 1394013521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1394013521 = 8923 ⋅156227.

It is not a de Polignac number, because 1253104931 - 2²⁶ = 1185996067 is a prime.

It is a super-2 number, since 2×1253104931² = 3140543936193029522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1253104894 and 1253104903.

It is not an unprimeable number, because it can be changed into a prime (1253104939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48196331 + ... + 48196356.

It is an arithmetic number, because the mean of its divisors is an integer number (337374408).

Almost surely, 2^1253104931 is an apocalyptic number.

1253104931 is a deficient number, since it is larger than the sum of its proper divisors (96392701).

1253104931 is an equidigital number, since it uses as much as digits as its factorization.

1253104931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96392700.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1253104931 is about 35399.2221807203. Note that the first 3 decimals coincide. The cubic root of 1253104931 is about 1078.1085236841.

The spelling of 1253104931 in words is "one billion, two hundred fifty-three million, one hundred four thousand, nine hundred thirty-one".