1140215425 has 6 divisors (see below), whose sum is σ = 1413867158. Its totient is φ = 912172320.

The previous prime is 1140215423. The next prime is 1140215431. The reversal of 1140215425 is 5245120411.

It can be written as a sum of positive squares in 3 ways, for example, as 81884401 + 1058331024 = 9049^2 + 32532^2 .

It is not a de Polignac number, because 1140215425 - 2¹ = 1140215423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 45608617 = 1140215425 / (1 + 1 + 4 + 0 + 2 + 1 + 5 + 4 + 2 + 5).

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 1140215425.

It is not an unprimeable number, because it can be changed into a prime (1140215423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22804284 + ... + 22804333.

Almost surely, 2^1140215425 is an apocalyptic number.

It is an amenable number.

1140215425 is a deficient number, since it is larger than the sum of its proper divisors (273651733).

1140215425 is an equidigital number, since it uses as much as digits as its factorization.

1140215425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45608627 (or 45608622 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1140215425 is about 33767.0760504963. The cubic root of 1140215425 is about 1044.7097245545.

Adding to 1140215425 its reverse (5245120411), we get a palindrome (6385335836).

The spelling of 1140215425 in words is "one billion, one hundred forty million, two hundred fifteen thousand, four hundred twenty-five".