1133211987 has 12 divisors (see below), whose sum is σ = 1681101760. Its totient is φ = 735056208.

The previous prime is 1133211979. The next prime is 1133212007. The reversal of 1133211987 is 7891123311.

It is not a de Polignac number, because 1133211987 - 2³ = 1133211979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133211907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1701187 + ... + 1701852.

Almost surely, 2^1133211987 is an apocalyptic number.

1133211987 is a deficient number, since it is larger than the sum of its proper divisors (547889773).

1133211987 is a wasteful number, since it uses less digits than its factorization.

1133211987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403082 (or 3403079 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 1133211987 is about 33663.2141513552. The cubic root of 1133211987 is about 1042.5663895060.

The spelling of 1133211987 in words is "one billion, one hundred thirty-three million, two hundred eleven thousand, nine hundred eighty-seven".