1120062720 has 144 divisors (see below), whose sum is σ = 4088327040. Its totient is φ = 256008192.

The previous prime is 1120062703. The next prime is 1120062733. The reversal of 1120062720 is 272600211.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 6046 + ... + 47714.

It is an arithmetic number, because the mean of its divisors is an integer number (28391160).

Almost surely, 2^1120062720 is an apocalyptic number.

1120062720 is a gapful number since it is divisible by the number (10) 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 1120062720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2044163520).

1120062720 is an abundant number, since it is smaller than the sum of its proper divisors (2968264320).

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

1120062720 is an equidigital number, since it uses as much as digits as its factorization.

1120062720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41700 (or 41686 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1120062720 is about 33467.3381074743. The cubic root of 1120062720 is about 1038.5182053197.

Adding to 1120062720 its reverse (272600211), we get a palindrome (1392662931).

It can be divided in two parts, 11200 and 62720, that added together give a triangular number (73920 = T₃₈₄).

The spelling of 1120062720 in words is "one billion, one hundred twenty million, sixty-two thousand, seven hundred twenty".