1161422152 has 16 divisors (see below), whose sum is σ = 2375636400. Its totient is φ = 527919120.

The previous prime is 1161422147. The next prime is 1161422183. The reversal of 1161422152 is 2512241611.

It is a super-2 number, since 2×1161422152² = 2697802830312622208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6598902 + ... + 6599077.

It is an arithmetic number, because the mean of its divisors is an integer number (148477275).

Almost surely, 2^1161422152 is an apocalyptic number.

It is an amenable number.

1161422152 is an abundant number, since it is smaller than the sum of its proper divisors (1214214248).

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

1161422152 is a wasteful number, since it uses less digits than its factorization.

1161422152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13197996 (or 13197992 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 1161422152 is about 34079.6442469695. The cubic root of 1161422152 is about 1051.1467899746.

Adding to 1161422152 its reverse (2512241611), we get a palindrome (3673663763).

The spelling of 1161422152 in words is "one billion, one hundred sixty-one million, four hundred twenty-two thousand, one hundred fifty-two".