1140421322 has 4 divisors (see below), whose sum is σ = 1710631986. Its totient is φ = 570210660.

The previous prime is 1140421283. The next prime is 1140421333. The reversal of 1140421322 is 2231240411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1127683561 + 12737761 = 33581^2 + 3569^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1140421294 and 1140421303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285105329 + ... + 285105332.

Almost surely, 2^1140421322 is an apocalyptic number.

1140421322 is a deficient number, since it is larger than the sum of its proper divisors (570210664).

1140421322 is an equidigital number, since it uses as much as digits as its factorization.

1140421322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570210663.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1140421322 is about 33770.1246962459. The cubic root of 1140421322 is about 1044.7726043832.

Adding to 1140421322 its reverse (2231240411), we get a palindrome (3371661733).

The spelling of 1140421322 in words is "one billion, one hundred forty million, four hundred twenty-one thousand, three hundred twenty-two".