1051880720 has 80 divisors (see below), whose sum is σ = 2676043008. Its totient is φ = 381342720.

The previous prime is 1051880701. The next prime is 1051880723. The reversal of 1051880720 is 270881501.

It is a happy number.

1051880720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1051880720² = 2212906098215436800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051880723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321332 + ... + 324588.

Almost surely, 2^1051880720 is an apocalyptic number.

1051880720 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 1051880720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338021504).

1051880720 is an abundant number, since it is smaller than the sum of its proper divisors (1624162288).

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

1051880720 is a wasteful number, since it uses less digits than its factorization.

1051880720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648 (or 3642 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 1051880720 is about 32432.7106483562. The cubic root of 1051880720 is about 1017.0028383348.

The spelling of 1051880720 in words is "one billion, fifty-one million, eight hundred eighty thousand, seven hundred twenty".