1121970624 has 112 divisors (see below), whose sum is σ = 3157532928. Its totient is φ = 350384128.

The previous prime is 1121970601. The next prime is 1121970643. The reversal of 1121970624 is 4260791211.

It is a happy number.

It is a super-2 number, since 2×1121970624² = 2517636162237898752, 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 15 ways as a sum of consecutive naturals, for example, 857779 + ... + 859085.

Almost surely, 2^1121970624 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 1121970624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1578766464).

1121970624 is an abundant number, since it is smaller than the sum of its proper divisors (2035562304).

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

1121970624 is a wasteful number, since it uses less digits than its factorization.

1121970624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602 (or 1592 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1121970624 is about 33495.8299494131. The cubic root of 1121970624 is about 1039.1075381125.

The spelling of 1121970624 in words is "one billion, one hundred twenty-one million, nine hundred seventy thousand, six hundred twenty-four".