1149720696 has 64 divisors (see below), whose sum is σ = 3199200000. Its totient is φ = 382576608.

The previous prime is 1149720629. The next prime is 1149720697. The reversal of 1149720696 is 6960279411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149720697) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 129405 + ... + 138003.

It is an arithmetic number, because the mean of its divisors is an integer number (49987500).

Almost surely, 2^1149720696 is an apocalyptic number.

It is an amenable number.

1149720696 is an abundant number, since it is smaller than the sum of its proper divisors (2049479304).

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

1149720696 is a wasteful number, since it uses less digits than its factorization.

1149720696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9233 (or 9223 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1149720696 is about 33907.5315527391. The cubic root of 1149720696 is about 1047.6047277872.

The spelling of 1149720696 in words is "one billion, one hundred forty-nine million, seven hundred twenty thousand, six hundred ninety-six".