1199470972 has 96 divisors (see below), whose sum is σ = 2713374720. Its totient is φ = 451906560.

The previous prime is 1199470933. The next prime is 1199471027. The reversal of 1199470972 is 2790749911.

It is a super-2 number, since 2×1199470972² = 2877461225341249568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426523 + ... + 429325.

It is an arithmetic number, because the mean of its divisors is an integer number (28264320).

Almost surely, 2^1199470972 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 1199470972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356687360).

1199470972 is an abundant number, since it is smaller than the sum of its proper divisors (1513903748).

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

1199470972 is a wasteful number, since it uses less digits than its factorization.

1199470972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891 (or 2889 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 49.

The square root of 1199470972 is about 34633.3794481567. The cubic root of 1199470972 is about 1062.5023861907.

The spelling of 1199470972 in words is "one billion, one hundred ninety-nine million, four hundred seventy thousand, nine hundred seventy-two".