1140721600 has 42 divisors (see below), whose sum is σ = 2806892024. Its totient is φ = 456288000.

The previous prime is 1140721591. The next prime is 1140721609. The reversal of 1140721600 is 61270411.

It is an interprime number because it is at equal distance from previous prime (1140721591) and next prime (1140721609).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140721609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 354876 + ... + 358075.

Almost surely, 2^1140721600 is an apocalyptic number.

1140721600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140721600 is an abundant number, since it is smaller than the sum of its proper divisors (1666170424).

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

1140721600 is an equidigital number, since it uses as much as digits as its factorization.

1140721600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712973 (or 712958 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1140721600 is about 33774.5703155495. The cubic root of 1140721600 is about 1044.8642940922.

The spelling of 1140721600 in words is "one billion, one hundred forty million, seven hundred twenty-one thousand, six hundred".