1117912225 has 6 divisors (see below), whose sum is σ = 1386211190. Its totient is φ = 894329760.

The previous prime is 1117912193. The next prime is 1117912241. The reversal of 1117912225 is 5222197111.

It can be written as a sum of positive squares in 3 ways, for example, as 71842576 + 1046069649 = 8476^2 + 32343^2 .

It is not a de Polignac number, because 1117912225 - 2⁵ = 1117912193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22358220 + ... + 22358269.

Almost surely, 2^1117912225 is an apocalyptic number.

It is an amenable number.

1117912225 is a deficient number, since it is larger than the sum of its proper divisors (268298965).

1117912225 is an equidigital number, since it uses as much as digits as its factorization.

1117912225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44716499 (or 44716494 counting only the distinct ones).

The product of its digits is 2520, while the sum is 31.

The square root of 1117912225 is about 33435.1944064933. The cubic root of 1117912225 is about 1037.8531357042.

The spelling of 1117912225 in words is "one billion, one hundred seventeen million, nine hundred twelve thousand, two hundred twenty-five".