1169215487 has 8 divisors (see below), whose sum is σ = 1296418512. Its totient is φ = 1045497600.

The previous prime is 1169215469. The next prime is 1169215493. The reversal of 1169215487 is 7845129611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1169215487 - 2²⁸ = 900780031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1169215427) 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, 870578 + ... + 871919.

It is an arithmetic number, because the mean of its divisors is an integer number (162052314).

Almost surely, 2^1169215487 is an apocalyptic number.

1169215487 is a deficient number, since it is larger than the sum of its proper divisors (127203025).

1169215487 is a wasteful number, since it uses less digits than its factorization.

1169215487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742569.

The product of its digits is 120960, while the sum is 44.

The square root of 1169215487 is about 34193.7931063519. The cubic root of 1169215487 is about 1053.4926737020.

The spelling of 1169215487 in words is "one billion, one hundred sixty-nine million, two hundred fifteen thousand, four hundred eighty-seven".