1252963320 has 192 divisors, whose sum is σ = 4391690400. Its totient is φ = 285143040.

The previous prime is 1252963319. The next prime is 1252963333. The reversal of 1252963320 is 233692521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2404660 + ... + 2405180.

Almost surely, 2^1252963320 is an apocalyptic number.

1252963320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252963320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2195845200).

1252963320 is an abundant number, since it is smaller than the sum of its proper divisors (3138727080).

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

1252963320 is a wasteful number, since it uses less digits than its factorization.

1252963320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 1252963320 is about 35397.2219248912. The cubic root of 1252963320 is about 1078.0679104910.

The spelling of 1252963320 in words is "one billion, two hundred fifty-two million, nine hundred sixty-three thousand, three hundred twenty".