1120637952 has 264 divisors, whose sum is σ = 3831984000. Its totient is φ = 308625408.

The previous prime is 1120637911. The next prime is 1120637957. The reversal of 1120637952 is 2597360211.

1120637952 is a `hidden beast` number, since 1 + 12 + 0 + 637 + 9 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120637957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1870549 + ... + 1871147.

Almost surely, 2^1120637952 is an apocalyptic number.

1120637952 is a gapful number since it is divisible by the number (12) 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 1120637952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1915992000).

1120637952 is an abundant number, since it is smaller than the sum of its proper divisors (2711346048).

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

1120637952 is a wasteful number, since it uses less digits than its factorization.

1120637952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1120637952 is about 33475.9309355244. The cubic root of 1120637952 is about 1038.6959592542.

The spelling of 1120637952 in words is "one billion, one hundred twenty million, six hundred thirty-seven thousand, nine hundred fifty-two".