1131220092 has 96 divisors (see below), whose sum is σ = 2797349632. Its totient is φ = 355332096.

The previous prime is 1131220087. The next prime is 1131220093. The reversal of 1131220092 is 2900221311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131220093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3684603 + ... + 3684909.

Almost surely, 2^1131220092 is an apocalyptic number.

1131220092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131220092 is an abundant number, since it is smaller than the sum of its proper divisors (1666129540).

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

1131220092 is a wasteful number, since it uses less digits than its factorization.

1131220092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1131220092 is about 33633.6155059191. The cubic root of 1131220092 is about 1041.9551767909.

The spelling of 1131220092 in words is "one billion, one hundred thirty-one million, two hundred twenty thousand, ninety-two".