1011374720 has 32 divisors (see below), whose sum is σ = 2417819220. Its totient is φ = 404549632.

The previous prime is 1011374713. The next prime is 1011374723. The reversal of 1011374720 is 274731101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 958026304 + 53348416 = 30952^2 + 7304^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1011374720.

It is not an unprimeable number, because it can be changed into a prime (1011374723) 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 3 ways as a sum of consecutive naturals, for example, 789497 + ... + 790776.

Almost surely, 2^1011374720 is an apocalyptic number.

1011374720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011374720 is an abundant number, since it is smaller than the sum of its proper divisors (1406444500).

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

1011374720 is an equidigital number, since it uses as much as digits as its factorization.

1011374720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580292 (or 1580280 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 1011374720 is about 31802.1181684491. The cubic root of 1011374720 is about 1003.7772874681. Note that the first 3 decimals are identical.

The spelling of 1011374720 in words is "one billion, eleven million, three hundred seventy-four thousand, seven hundred twenty".