1253402192 has 80 divisors (see below), whose sum is σ = 2834675712. Its totient is φ = 525813120.

The previous prime is 1253402179. The next prime is 1253402209. The reversal of 1253402192 is 2912043521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1295693 + ... + 1296659.

Almost surely, 2^1253402192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253402192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1417337856).

1253402192 is an abundant number, since it is smaller than the sum of its proper divisors (1581273520).

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

1253402192 is a wasteful number, since it uses less digits than its factorization.

1253402192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1253402192 is about 35403.4206256966. The cubic root of 1253402192 is about 1078.1937664204.

The spelling of 1253402192 in words is "one billion, two hundred fifty-three million, four hundred two thousand, one hundred ninety-two".