1217113124 has 24 divisors (see below), whose sum is σ = 2170566720. Its totient is φ = 596994464.

The previous prime is 1217113109. The next prime is 1217113133. The reversal of 1217113124 is 4213117121.

It is a super-2 number, since 2×1217113124² = 2962728713226078752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1217113124.

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, 113582 + ... + 123834.

It is an arithmetic number, because the mean of its divisors is an integer number (90440280).

Almost surely, 2^1217113124 is an apocalyptic number.

It is an amenable number.

1217113124 is a deficient number, since it is larger than the sum of its proper divisors (953453596).

1217113124 is a wasteful number, since it uses less digits than its factorization.

1217113124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10819 (or 10817 counting only the distinct ones).

The product of its digits is 336, while the sum is 23.

The square root of 1217113124 is about 34887.1484074007. The cubic root of 1217113124 is about 1067.6862467753.

The spelling of 1217113124 in words is "one billion, two hundred seventeen million, one hundred thirteen thousand, one hundred twenty-four".