1122869817 has 32 divisors (see below), whose sum is σ = 1742888960. Its totient is φ = 713584080.

The previous prime is 1122869807. The next prime is 1122869831. The reversal of 1122869817 is 7189682211.

It is not a de Polignac number, because 1122869817 - 2⁷ = 1122869689 is a prime.

It is a super-2 number, since 2×1122869817² = 2521673251859226978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122869807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46068 + ... + 66090.

It is an arithmetic number, because the mean of its divisors is an integer number (54465280).

Almost surely, 2^1122869817 is an apocalyptic number.

It is an amenable number.

1122869817 is a deficient number, since it is larger than the sum of its proper divisors (620019143).

1122869817 is a wasteful number, since it uses less digits than its factorization.

1122869817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20130 (or 20124 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The square root of 1122869817 is about 33509.2497230242. The cubic root of 1122869817 is about 1039.3850583686.

The spelling of 1122869817 in words is "one billion, one hundred twenty-two million, eight hundred sixty-nine thousand, eight hundred seventeen".