1140225042 has 32 divisors (see below), whose sum is σ = 2488965120. Its totient is φ = 345355920.

The previous prime is 1140225019. The next prime is 1140225049. The reversal of 1140225042 is 2405220411.

It is a super-2 number, since 2×1140225042² = 2600226292807803528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1140225049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250059 + ... + 254577.

It is an arithmetic number, because the mean of its divisors is an integer number (77780160).

Almost surely, 2^1140225042 is an apocalyptic number.

1140225042 is an abundant number, since it is smaller than the sum of its proper divisors (1348740078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140225042 is a wasteful number, since it uses less digits than its factorization.

1140225042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8358.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1140225042 is about 33767.2184522208. The cubic root of 1140225042 is about 1044.7126617027.

Adding to 1140225042 its reverse (2405220411), we get a palindrome (3545445453).

The spelling of 1140225042 in words is "one billion, one hundred forty million, two hundred twenty-five thousand, forty-two".