1117957632 has 160 divisors (see below), whose sum is σ = 3280932864. Its totient is φ = 335462400.

The previous prime is 1117957601. The next prime is 1117957637. The reversal of 1117957632 is 2367597111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117957637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2145532 + ... + 2146052.

Almost surely, 2^1117957632 is an apocalyptic number.

1117957632 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 1117957632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1640466432).

1117957632 is an abundant number, since it is smaller than the sum of its proper divisors (2162975232).

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

1117957632 is a wasteful number, since it uses less digits than its factorization.

1117957632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 664 counting only the distinct ones).

The product of its digits is 79380, while the sum is 42.

The square root of 1117957632 is about 33435.8734295965. The cubic root of 1117957632 is about 1037.8671872425.

The spelling of 1117957632 in words is "one billion, one hundred seventeen million, nine hundred fifty-seven thousand, six hundred thirty-two".