1132011988 has 6 divisors (see below), whose sum is σ = 1981020986. Its totient is φ = 566005992.

The previous prime is 1132011983. The next prime is 1132011989. The reversal of 1132011988 is 8891102311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 900120004 + 231891984 = 30002^2 + 15228^2 .

It is a super-2 number, since 2×1132011988² = 2562902281951424288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132011983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141501495 + ... + 141501502.

Almost surely, 2^1132011988 is an apocalyptic number.

It is an amenable number.

1132011988 is a deficient number, since it is larger than the sum of its proper divisors (849008998).

1132011988 is a wasteful number, since it uses less digits than its factorization.

1132011988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283003001 (or 283002999 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 34.

The square root of 1132011988 is about 33645.3858352078. The cubic root of 1132011988 is about 1042.1982558283.

The spelling of 1132011988 in words is "one billion, one hundred thirty-two million, eleven thousand, nine hundred eighty-eight".