1160121772 has 6 divisors (see below), whose sum is σ = 2030213108. Its totient is φ = 580060884.

The previous prime is 1160121763. The next prime is 1160121799. The reversal of 1160121772 is 2771210611.

It is a self number, because there is not a number n which added to its sum of digits gives 1160121772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145015218 + ... + 145015225.

Almost surely, 2^1160121772 is an apocalyptic number.

It is an amenable number.

1160121772 is a deficient number, since it is larger than the sum of its proper divisors (870091336).

1160121772 is a wasteful number, since it uses less digits than its factorization.

1160121772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290030447 (or 290030445 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 1160121772 is about 34060.5603594539. The cubic root of 1160121772 is about 1050.7543398732.

The spelling of 1160121772 in words is "one billion, one hundred sixty million, one hundred twenty-one thousand, seven hundred seventy-two".