1150632720 has 120 divisors (see below), whose sum is σ = 3878549376. Its totient is φ = 305697024.

The previous prime is 1150632719. The next prime is 1150632731. The reversal of 1150632720 is 272360511.

It is a happy number.

1150632720 is a `hidden beast` number, since 1 + 1 + 5 + 0 + 632 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200937 + ... + 206583.

Almost surely, 2^1150632720 is an apocalyptic number.

1150632720 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 1150632720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1939274688).

1150632720 is an abundant number, since it is smaller than the sum of its proper divisors (2727916656).

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

1150632720 is a wasteful number, since it uses less digits than its factorization.

1150632720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5949 (or 5940 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1150632720 is about 33920.9775802526. The cubic root of 1150632720 is about 1047.8816611712.

The spelling of 1150632720 in words is "one billion, one hundred fifty million, six hundred thirty-two thousand, seven hundred twenty".