1201160156 has 24 divisors (see below), whose sum is σ = 2467250016. Its totient is φ = 500869440.

The previous prime is 1201160141. The next prime is 1201160167. The reversal of 1201160156 is 6510611021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578675 + ... + 580746.

It is an arithmetic number, because the mean of its divisors is an integer number (102802084).

Almost surely, 2^1201160156 is an apocalyptic number.

It is an amenable number.

1201160156 is an abundant number, since it is smaller than the sum of its proper divisors (1266089860).

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

1201160156 is a wasteful number, since it uses less digits than its factorization.

1201160156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159469 (or 1159467 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1201160156 is about 34657.7575154539. The cubic root of 1201160156 is about 1063.0009171335. Note that the first 3 decimals are identical.

Adding to 1201160156 its reverse (6510611021), we get a palindrome (7711771177).

The spelling of 1201160156 in words is "one billion, two hundred one million, one hundred sixty thousand, one hundred fifty-six".