1154272772 has 24 divisors (see below), whose sum is σ = 2041411680. Its totient is φ = 571026240.

The previous prime is 1154272741. The next prime is 1154272807. The reversal of 1154272772 is 2772724511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551504 + ... + 553592.

It is an arithmetic number, because the mean of its divisors is an integer number (85058820).

Almost surely, 2^1154272772 is an apocalyptic number.

It is an amenable number.

1154272772 is a deficient number, since it is larger than the sum of its proper divisors (887138908).

1154272772 is a wasteful number, since it uses less digits than its factorization.

1154272772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491 (or 3489 counting only the distinct ones).

The product of its digits is 54880, while the sum is 38.

The square root of 1154272772 is about 33974.5900931858. The cubic root of 1154272772 is about 1048.9854969046.

The spelling of 1154272772 in words is "one billion, one hundred fifty-four million, two hundred seventy-two thousand, seven hundred seventy-two".