1140204121 has 8 divisors (see below), whose sum is σ = 1309267904. Its totient is φ = 972684720.

The previous prime is 1140204119. The next prime is 1140204133. The reversal of 1140204121 is 1214020411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1140204121 - 2¹ = 1140204119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1140204095 and 1140204104.

It is not an unprimeable number, because it can be changed into a prime (1140204181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384510 + ... + 387463.

It is an arithmetic number, because the mean of its divisors is an integer number (163658488).

Almost surely, 2^1140204121 is an apocalyptic number.

It is an amenable number.

1140204121 is a deficient number, since it is larger than the sum of its proper divisors (169063783).

1140204121 is an equidigital number, since it uses as much as digits as its factorization.

1140204121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772191.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1140204121 is about 33766.9086681029. The cubic root of 1140204121 is about 1044.7062721549.

Adding to 1140204121 its reverse (1214020411), we get a palindrome (2354224532).

The spelling of 1140204121 in words is "one billion, one hundred forty million, two hundred four thousand, one hundred twenty-one".