1117485621 has 36 divisors (see below), whose sum is σ = 1880785452. Its totient is φ = 637507584.

The previous prime is 1117485619. The next prime is 1117485631. The reversal of 1117485621 is 1265847111.

1117485621 is a `hidden beast` number, since 1 + 117 + 485 + 62 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 543356100 + 574129521 = 23310^2 + 23961^2 .

It is not a de Polignac number, because 1117485621 - 2¹ = 1117485619 is a prime.

It is a super-2 number, since 2×1117485621² = 2497548226283511282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117485631) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 321525 + ... + 324981.

Almost surely, 2^1117485621 is an apocalyptic number.

It is an amenable number.

1117485621 is a deficient number, since it is larger than the sum of its proper divisors (763299831).

1117485621 is a wasteful number, since it uses less digits than its factorization.

1117485621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210 (or 4200 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 1117485621 is about 33428.8142326347. The cubic root of 1117485621 is about 1037.7211012980.

The spelling of 1117485621 in words is "one billion, one hundred seventeen million, four hundred eighty-five thousand, six hundred twenty-one".