1122807998 has 32 divisors (see below), whose sum is σ = 1829755872. Its totient is φ = 513676800.

The previous prime is 1122807971. The next prime is 1122808039. The reversal of 1122807998 is 8997082211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2286533 + ... + 2287023.

It is an arithmetic number, because the mean of its divisors is an integer number (57179871).

Almost surely, 2^1122807998 is an apocalyptic number.

1122807998 is a deficient number, since it is larger than the sum of its proper divisors (706947874).

1122807998 is a wasteful number, since it uses less digits than its factorization.

1122807998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 145152, while the sum is 47.

The square root of 1122807998 is about 33508.3272933759. The cubic root of 1122807998 is about 1039.3659837549.

The spelling of 1122807998 in words is "one billion, one hundred twenty-two million, eight hundred seven thousand, nine hundred ninety-eight".