1149679788 has 24 divisors (see below), whose sum is σ = 2683171008. Its totient is φ = 383143056.

The previous prime is 1149679787. The next prime is 1149679823. The reversal of 1149679788 is 8879769411.

It is a super-2 number, since 2×1149679788² = 2643527229871449888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1149679787) 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 7 ways as a sum of consecutive naturals, for example, 74595 + ... + 88677.

It is an arithmetic number, because the mean of its divisors is an integer number (111798792).

Almost surely, 2^1149679788 is an apocalyptic number.

It is an amenable number.

1149679788 is an abundant number, since it is smaller than the sum of its proper divisors (1533491220).

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

1149679788 is a wasteful number, since it uses less digits than its factorization.

1149679788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20893 (or 20891 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 60.

The square root of 1149679788 is about 33906.9283185605. The cubic root of 1149679788 is about 1047.5923027630.

The spelling of 1149679788 in words is "one billion, one hundred forty-nine million, six hundred seventy-nine thousand, seven hundred eighty-eight".