1120001440 has 24 divisors (see below), whose sum is σ = 2646003780. Its totient is φ = 448000512.

The previous prime is 1120001437. The next prime is 1120001461. The reversal of 1120001440 is 441000211.

It can be written as a sum of positive squares in 2 ways, for example, as 1105163536 + 14837904 = 33244^2 + 3852^2 .

1120001440 is a modest number, since divided by 1440 gives 1120 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1120001440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3499845 + ... + 3500164.

Almost surely, 2^1120001440 is an apocalyptic number.

1120001440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120001440 is an abundant number, since it is smaller than the sum of its proper divisors (1526002340).

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

1120001440 is an equidigital number, since it uses as much as digits as its factorization.

1120001440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000024 (or 7000016 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1120001440 is about 33466.4225754711. The cubic root of 1120001440 is about 1038.4992654410.

Adding to 1120001440 its reverse (441000211), we get a palindrome (1561001651).

The spelling of 1120001440 in words is "one billion, one hundred twenty million, one thousand, four hundred forty".