1152721796 has 6 divisors (see below), whose sum is σ = 2017263150. Its totient is φ = 576360896.

The previous prime is 1152721781. The next prime is 1152721799. The reversal of 1152721796 is 6971272511.

It can be written as a sum of positive squares in only one way, i.e., 653824900 + 498896896 = 25570^2 + 22336^2 .

It is not an unprimeable number, because it can be changed into a prime (1152721799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144090221 + ... + 144090228.

It is an arithmetic number, because the mean of its divisors is an integer number (336210525).

Almost surely, 2^1152721796 is an apocalyptic number.

It is an amenable number.

1152721796 is a deficient number, since it is larger than the sum of its proper divisors (864541354).

1152721796 is a wasteful number, since it uses less digits than its factorization.

1152721796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288180453 (or 288180451 counting only the distinct ones).

The product of its digits is 52920, while the sum is 41.

The square root of 1152721796 is about 33951.7568912126. The cubic root of 1152721796 is about 1048.5154518639.

The spelling of 1152721796 in words is "one billion, one hundred fifty-two million, seven hundred twenty-one thousand, seven hundred ninety-six".