1253131024 has 20 divisors (see below), whose sum is σ = 2430149644. Its totient is φ = 625995648.

The previous prime is 1253131007. The next prime is 1253131037. The reversal of 1253131024 is 4201313521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 233478400 + 1019652624 = 15280^2 + 31932^2 .

It is a super-2 number, since 2×1253131024² = 3140674726622577152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1253130986 and 1253131004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17187 + ... + 52930.

Almost surely, 2^1253131024 is an apocalyptic number.

It is an amenable number.

1253131024 is a deficient number, since it is larger than the sum of its proper divisors (1177018620).

1253131024 is a wasteful number, since it uses less digits than its factorization.

1253131024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71242 (or 71236 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1253131024 is about 35399.5907320975. The cubic root of 1253131024 is about 1078.1160066675.

Adding to 1253131024 its reverse (4201313521), we get a palindrome (5454444545).

The spelling of 1253131024 in words is "one billion, two hundred fifty-three million, one hundred thirty-one thousand, twenty-four".