1162885290 has 64 divisors (see below), whose sum is σ = 3328321536. Its totient is φ = 254244672.

The previous prime is 1162885261. The next prime is 1162885319. The reversal of 1162885290 is 925882611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1162885261) and next prime (1162885319).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115552 + ... + 125211.

It is an arithmetic number, because the mean of its divisors is an integer number (52005024).

Almost surely, 2^1162885290 is an apocalyptic number.

1162885290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1162885290 is an abundant number, since it is smaller than the sum of its proper divisors (2165436246).

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

1162885290 is a wasteful number, since it uses less digits than its factorization.

1162885290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240803.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 1162885290 is about 34101.1039410750. The cubic root of 1162885290 is about 1051.5880097971.

The spelling of 1162885290 in words is "one billion, one hundred sixty-two million, eight hundred eighty-five thousand, two hundred ninety".