1154374272 has 48 divisors (see below), whose sum is σ = 3321835530. Its totient is φ = 384791040.

The previous prime is 1154374271. The next prime is 1154374327. The reversal of 1154374272 is 2724734511.

1154374272 is a `hidden beast` number, since 1 + 1 + 543 + 7 + 42 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1005143616 + 149230656 = 31704^2 + 12216^2 .

It is a tau number, because it is divible by the number of its divisors (48).

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 (1154374271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 499879 + ... + 502182.

Almost surely, 2^1154374272 is an apocalyptic number.

1154374272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1154374272 is an abundant number, since it is smaller than the sum of its proper divisors (2167461258).

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

1154374272 is a wasteful number, since it uses less digits than its factorization.

1154374272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002081 (or 1002066 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 1154374272 is about 33976.0838237723. The cubic root of 1154374272 is about 1049.0162432209.

The spelling of 1154374272 in words is "one billion, one hundred fifty-four million, three hundred seventy-four thousand, two hundred seventy-two".