1140412402 has 4 divisors (see below), whose sum is σ = 1710618606. Its totient is φ = 570206200.

The previous prime is 1140412387. The next prime is 1140412421. The reversal of 1140412402 is 2042140411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2042140411 = 71 ⋅28762541.

It can be written as a sum of positive squares in only one way, i.e., 904144761 + 236267641 = 30069^2 + 15371^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1140412402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285103099 + ... + 285103102.

Almost surely, 2^1140412402 is an apocalyptic number.

1140412402 is a deficient number, since it is larger than the sum of its proper divisors (570206204).

1140412402 is an equidigital number, since it uses as much as digits as its factorization.

1140412402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570206203.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1140412402 is about 33769.9926265908. The cubic root of 1140412402 is about 1044.7698804204.

Adding to 1140412402 its reverse (2042140411), we get a palindrome (3182552813).

The spelling of 1140412402 in words is "one billion, one hundred forty million, four hundred twelve thousand, four hundred two".