1149151372 has 24 divisors (see below), whose sum is σ = 2029547520. Its totient is φ = 569293200.

The previous prime is 1149151313. The next prime is 1149151379. The reversal of 1149151372 is 2731519411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1149151379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736329 + ... + 737887.

It is an arithmetic number, because the mean of its divisors is an integer number (84564480).

Almost surely, 2^1149151372 is an apocalyptic number.

It is an amenable number.

1149151372 is a deficient number, since it is larger than the sum of its proper divisors (880396148).

1149151372 is a wasteful number, since it uses less digits than its factorization.

1149151372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141 (or 3139 counting only the distinct ones).

The product of its digits is 7560, while the sum is 34.

The square root of 1149151372 is about 33899.1352692071. The cubic root of 1149151372 is about 1047.4317799892.

The spelling of 1149151372 in words is "one billion, one hundred forty-nine million, one hundred fifty-one thousand, three hundred seventy-two".