1111394272 has 24 divisors (see below), whose sum is σ = 2205294336. Its totient is φ = 551319552.

The previous prime is 1111394243. The next prime is 1111394321. The reversal of 1111394272 is 2724931111.

It is a happy number.

It is a congruent number.

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, 132673 + ... + 140800.

It is an arithmetic number, because the mean of its divisors is an integer number (91887264).

Almost surely, 2^1111394272 is an apocalyptic number.

It is an amenable number.

1111394272 is a deficient number, since it is larger than the sum of its proper divisors (1093900064).

1111394272 is a wasteful number, since it uses less digits than its factorization.

1111394272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273610 (or 273602 counting only the distinct ones).

The product of its digits is 3024, while the sum is 31.

The square root of 1111394272 is about 33337.5804760933. The cubic root of 1111394272 is about 1035.8321458500.

The spelling of 1111394272 in words is "one billion, one hundred eleven million, three hundred ninety-four thousand, two hundred seventy-two".