1140204122 has 4 divisors (see below), whose sum is σ = 1710306186. Its totient is φ = 570102060.

The previous prime is 1140204119. The next prime is 1140204133. The reversal of 1140204122 is 2214020411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2214020411 = 23 ⋅96261757.

It can be written as a sum of positive squares in only one way, i.e., 584140561 + 556063561 = 24169^2 + 23581^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1140204122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285051029 + ... + 285051032.

Almost surely, 2^1140204122 is an apocalyptic number.

1140204122 is a deficient number, since it is larger than the sum of its proper divisors (570102064).

1140204122 is an equidigital number, since it uses as much as digits as its factorization.

1140204122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570102063.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1140204122 is about 33766.9086829103. The cubic root of 1140204122 is about 1044.7062724603.

Adding to 1140204122 its reverse (2214020411), we get a palindrome (3354224533).

The spelling of 1140204122 in words is "one billion, one hundred forty million, two hundred four thousand, one hundred twenty-two".