1120863744 has 640 divisors, whose sum is σ = 4509711360. Its totient is φ = 268738560.

The previous prime is 1120863739. The next prime is 1120863763. The reversal of 1120863744 is 4473680211.

1120863744 is a `hidden beast` number, since 1 + 12 + 0 + 8 + 637 + 4 + 4 = 666.

It is a super-2 number, since 2×1120863744² = 2512671065227395072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1120863699 and 1120863708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86220282 + ... + 86220294.

It is an arithmetic number, because the mean of its divisors is an integer number (7046424).

Almost surely, 2^1120863744 is an apocalyptic number.

1120863744 is a gapful number since it is divisible by the number (14) 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 1120863744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2254855680).

1120863744 is an abundant number, since it is smaller than the sum of its proper divisors (3388847616).

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

1120863744 is an frugal number, since it uses more digits than its factorization.

1120863744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1120863744 is about 33479.3032185558. The cubic root of 1120863744 is about 1038.7657152023.

The spelling of 1120863744 in words is "one billion, one hundred twenty million, eight hundred sixty-three thousand, seven hundred forty-four".