1121599160 has 32 divisors (see below), whose sum is σ = 2753017200. Its totient is φ = 407854080.

The previous prime is 1121599133. The next prime is 1121599183. The reversal of 1121599160 is 619951211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121599160.

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, 1274105 + ... + 1274984.

Almost surely, 2^1121599160 is an apocalyptic number.

1121599160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121599160 is an abundant number, since it is smaller than the sum of its proper divisors (1631418040).

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

1121599160 is a wasteful number, since it uses less digits than its factorization.

1121599160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549111 (or 2549107 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 35.

The square root of 1121599160 is about 33490.2845613470. The cubic root of 1121599160 is about 1038.9928489397.

The spelling of 1121599160 in words is "one billion, one hundred twenty-one million, five hundred ninety-nine thousand, one hundred sixty".