1149899076 has 108 divisors (see below), whose sum is σ = 3201936192. Its totient is φ = 347247648.

The previous prime is 1149899071. The next prime is 1149899081. The reversal of 1149899076 is 6709989411.

It is an interprime number because it is at equal distance from previous prime (1149899071) and next prime (1149899081).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149899071) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 296985 + ... + 300831.

Almost surely, 2^1149899076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149899076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600968096).

1149899076 is an abundant number, since it is smaller than the sum of its proper divisors (2052037116).

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

1149899076 is a wasteful number, since it uses less digits than its factorization.

1149899076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918 (or 3894 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The square root of 1149899076 is about 33910.1618397789. The cubic root of 1149899076 is about 1047.6589038633.

The spelling of 1149899076 in words is "one billion, one hundred forty-nine million, eight hundred ninety-nine thousand, seventy-six".