1154841872 has 20 divisors (see below), whose sum is σ = 2238671820. Its totient is φ = 577120128.

The previous prime is 1154841859. The next prime is 1154841887. The reversal of 1154841872 is 2781484511.

It can be written as a sum of positive squares in 2 ways, for example, as 762643456 + 392198416 = 27616^2 + 19804^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14678 + ... + 50250.

It is an arithmetic number, because the mean of its divisors is an integer number (111933591).

Almost surely, 2^1154841872 is an apocalyptic number.

It is an amenable number.

1154841872 is a deficient number, since it is larger than the sum of its proper divisors (1083829948).

1154841872 is a wasteful number, since it uses less digits than its factorization.

1154841872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37610 (or 37604 counting only the distinct ones).

The product of its digits is 71680, while the sum is 41.

The square root of 1154841872 is about 33982.9644380828. The cubic root of 1154841872 is about 1049.1578650475.

The spelling of 1154841872 in words is "one billion, one hundred fifty-four million, eight hundred forty-one thousand, eight hundred seventy-two".