1133197587 has 8 divisors (see below), whose sum is σ = 1678811280. Its totient is φ = 755465040.

The previous prime is 1133197547. The next prime is 1133197607. The reversal of 1133197587 is 7857913311.

It is not a de Polignac number, because 1133197587 - 2⁶ = 1133197523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1133197537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20985114 + ... + 20985167.

It is an arithmetic number, because the mean of its divisors is an integer number (209851410).

Almost surely, 2^1133197587 is an apocalyptic number.

1133197587 is a deficient number, since it is larger than the sum of its proper divisors (545613693).

1133197587 is an equidigital number, since it uses as much as digits as its factorization.

1133197587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41970290 (or 41970284 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The square root of 1133197587 is about 33663.0002673558. Note that the first 3 decimals coincide. The cubic root of 1133197587 is about 1042.5619734391.

The spelling of 1133197587 in words is "one billion, one hundred thirty-three million, one hundred ninety-seven thousand, five hundred eighty-seven".