1159773120 has 224 divisors, whose sum is σ = 4463735040. Its totient is φ = 281134080.

The previous prime is 1159773113. The next prime is 1159773157. The reversal of 1159773120 is 213779511.

1159773120 is a `hidden beast` number, since 11 + 597 + 7 + 31 + 20 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 88939 + ... + 101141.

Almost surely, 2^1159773120 is an apocalyptic number.

1159773120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1159773120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2231867520).

1159773120 is an abundant number, since it is smaller than the sum of its proper divisors (3303961920).

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

1159773120 is a wasteful number, since it uses less digits than its factorization.

1159773120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12240 (or 12224 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 36.

The square root of 1159773120 is about 34055.4418558914. The cubic root of 1159773120 is about 1050.6490680771.

The spelling of 1159773120 in words is "one billion, one hundred fifty-nine million, seven hundred seventy-three thousand, one hundred twenty".