1140332401 has 6 divisors (see below), whose sum is σ = 1234797990. Its totient is φ = 1052614368.

The previous prime is 1140332393. The next prime is 1140332447. The reversal of 1140332401 is 1042330411.

It can be written as a sum of positive squares in 3 ways, for example, as 69472225 + 1070860176 = 8335^2 + 32724^2 .

It is not a de Polignac number, because 1140332401 - 2³ = 1140332393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140338401) 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, 3373596 + ... + 3373933.

It is an arithmetic number, because the mean of its divisors is an integer number (205799665).

Almost surely, 2^1140332401 is an apocalyptic number.

It is an amenable number.

1140332401 is a deficient number, since it is larger than the sum of its proper divisors (94465589).

1140332401 is an equidigital number, since it uses as much as digits as its factorization.

1140332401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6747555 (or 6747542 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1140332401 is about 33768.8081074829. The cubic root of 1140332401 is about 1044.7454493200.

Adding to 1140332401 its reverse (1042330411), we get a palindrome (2182662812).

The spelling of 1140332401 in words is "one billion, one hundred forty million, three hundred thirty-two thousand, four hundred one".