1140262225 has 24 divisors (see below), whose sum is σ = 1432461888. Its totient is φ = 900312000.

The previous prime is 1140262153. The next prime is 1140262241. The reversal of 1140262225 is 5222620411.

It is not a de Polignac number, because 1140262225 - 2⁹ = 1140261713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1140262225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1178692 + ... + 1179658.

It is an arithmetic number, because the mean of its divisors is an integer number (59685912).

Almost surely, 2^1140262225 is an apocalyptic number.

It is an amenable number.

1140262225 is a deficient number, since it is larger than the sum of its proper divisors (292199663).

1140262225 is a wasteful number, since it uses less digits than its factorization.

1140262225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545 (or 1540 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1140262225 is about 33767.7690260994. The cubic root of 1140262225 is about 1044.7240176858.

Adding to 1140262225 its reverse (5222620411), we get a palindrome (6362882636).

The spelling of 1140262225 in words is "one billion, one hundred forty million, two hundred sixty-two thousand, two hundred twenty-five".