1217085704 has 32 divisors (see below), whose sum is σ = 2304537600. Its totient is φ = 602562240.

The previous prime is 1217085677. The next prime is 1217085713. The reversal of 1217085704 is 4075807121.

It is a super-2 number, since 2×1217085704² = 2962595221762351232, which contains 22 as substring.

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, 750014 + ... + 751634.

It is an arithmetic number, because the mean of its divisors is an integer number (72016800).

Almost surely, 2^1217085704 is an apocalyptic number.

It is an amenable number.

1217085704 is a deficient number, since it is larger than the sum of its proper divisors (1087451896).

1217085704 is a wasteful number, since it uses less digits than its factorization.

1217085704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493 (or 2489 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 1217085704 is about 34886.7554237994. The cubic root of 1217085704 is about 1067.6782288472.

The spelling of 1217085704 in words is "one billion, two hundred seventeen million, eighty-five thousand, seven hundred four".