1121102864 has 40 divisors (see below), whose sum is σ = 2487037248. Its totient is φ = 479583360.

The previous prime is 1121102863. The next prime is 1121102903. The reversal of 1121102864 is 4682011211.

It is not an unprimeable number, because it can be changed into a prime (1121102861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53399 + ... + 71369.

Almost surely, 2^1121102864 is an apocalyptic number.

1121102864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1121102864 is an abundant number, since it is smaller than the sum of its proper divisors (1365934384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121102864 is a wasteful number, since it uses less digits than its factorization.

1121102864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18543 (or 18537 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1121102864 is about 33482.8741896510. The cubic root of 1121102864 is about 1038.8395784760.

The spelling of 1121102864 in words is "one billion, one hundred twenty-one million, one hundred two thousand, eight hundred sixty-four".