1253020332 has 24 divisors (see below), whose sum is σ = 2967353536. Its totient is φ = 411439248.

The previous prime is 1253020277. The next prime is 1253020463. The reversal of 1253020332 is 2330203521.

It is a junction number, because it is equal to n+sod(n) for n = 1253020299 and 1253020308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778438 + ... + 780045.

Almost surely, 2^1253020332 is an apocalyptic number.

1253020332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1253020332 is an abundant number, since it is smaller than the sum of its proper divisors (1714333204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253020332 is a wasteful number, since it uses less digits than its factorization.

1253020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558557 (or 1558555 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 1253020332 is about 35398.0272331665. The cubic root of 1253020332 is about 1078.0842615617.

Adding to 1253020332 its reverse (2330203521), we get a palindrome (3583223853).

The spelling of 1253020332 in words is "one billion, two hundred fifty-three million, twenty thousand, three hundred thirty-two".