1120777216 has 88 divisors (see below), whose sum is σ = 2455417440. Its totient is φ = 508157952.

The previous prime is 1120777199. The next prime is 1120777219. The reversal of 1120777216 is 6127770211.

It is a super-2 number, since 2×1120777216² = 2512283135809421312, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120777219) 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, 784695 + ... + 786121.

Almost surely, 2^1120777216 is an apocalyptic number.

1120777216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120777216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1227708720).

1120777216 is an abundant number, since it is smaller than the sum of its proper divisors (1334640224).

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

1120777216 is a wasteful number, since it uses less digits than its factorization.

1120777216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519 (or 1501 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 34.

The square root of 1120777216 is about 33478.0109325509. The cubic root of 1120777216 is about 1038.7389844383.

The spelling of 1120777216 in words is "one billion, one hundred twenty million, seven hundred seventy-seven thousand, two hundred sixteen".