1154964132 has 72 divisors (see below), whose sum is σ = 3369032576. Its totient is φ = 326778624.

The previous prime is 1154964131. The next prime is 1154964163. The reversal of 1154964132 is 2314694511.

It is a happy number.

1154964132 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 9 + 641 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1154964131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3708 + ... + 48204.

Almost surely, 2^1154964132 is an apocalyptic number.

1154964132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1154964132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684516288).

1154964132 is an abundant number, since it is smaller than the sum of its proper divisors (2214068444).

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

1154964132 is a wasteful number, since it uses less digits than its factorization.

1154964132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44617 (or 44612 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1154964132 is about 33984.7632329549. The cubic root of 1154964132 is about 1049.1948875806.

The spelling of 1154964132 in words is "one billion, one hundred fifty-four million, nine hundred sixty-four thousand, one hundred thirty-two".