1116215292 has 12 divisors (see below), whose sum is σ = 2604502376. Its totient is φ = 372071760.

The previous prime is 1116215251. The next prime is 1116215293. The reversal of 1116215292 is 2925126111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116215293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46508959 + ... + 46508982.

Almost surely, 2^1116215292 is an apocalyptic number.

1116215292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1116215292 is an abundant number, since it is smaller than the sum of its proper divisors (1488287084).

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

1116215292 is a wasteful number, since it uses less digits than its factorization.

1116215292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93017948 (or 93017946 counting only the distinct ones).

The product of its digits is 2160, while the sum is 30.

The square root of 1116215292 is about 33409.8083203122. The cubic root of 1116215292 is about 1037.3277339573.

The spelling of 1116215292 in words is "one billion, one hundred sixteen million, two hundred fifteen thousand, two hundred ninety-two".