1253203292 has 36 divisors (see below), whose sum is σ = 2537496360. Its totient is φ = 539652960.

The previous prime is 1253203291. The next prime is 1253203313. The reversal of 1253203292 is 2923023521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253203291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58943 + ... + 77334.

It is an arithmetic number, because the mean of its divisors is an integer number (70486010).

Almost surely, 2^1253203292 is an apocalyptic number.

It is an amenable number.

1253203292 is an abundant number, since it is smaller than the sum of its proper divisors (1284293068).

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

1253203292 is a wasteful number, since it uses less digits than its factorization.

1253203292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136322 (or 136309 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1253203292 is about 35400.6114636457. The cubic root of 1253203292 is about 1078.1367312335.

The spelling of 1253203292 in words is "one billion, two hundred fifty-three million, two hundred three thousand, two hundred ninety-two".