1026972720 has 120 divisors (see below), whose sum is σ = 3651837696. Its totient is φ = 257746944.

The previous prime is 1026972707. The next prime is 1026972721. The reversal of 1026972720 is 272796201.

1026972720 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 (120).

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

It is not an unprimeable number, because it can be changed into a prime (1026972721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29712 + ... + 54191.

Almost surely, 2^1026972720 is an apocalyptic number.

1026972720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026972720 is an abundant number, since it is smaller than the sum of its proper divisors (2624864976).

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

1026972720 is a wasteful number, since it uses less digits than its factorization.

1026972720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83939 (or 83930 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 1026972720 is about 32046.4150881187. The cubic root of 1026972720 is about 1008.9112602251.

The spelling of 1026972720 in words is "one billion, twenty-six million, nine hundred seventy-two thousand, seven hundred twenty".