1135220425 has 12 divisors (see below), whose sum is σ = 1440411280. Its totient is φ = 887055120.

The previous prime is 1135220393. The next prime is 1135220461. The reversal of 1135220425 is 5240225311.

It is not a de Polignac number, because 1135220425 - 2⁵ = 1135220393 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1135220425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 526935 + ... + 529084.

Almost surely, 2^1135220425 is an apocalyptic number.

It is an amenable number.

1135220425 is a deficient number, since it is larger than the sum of its proper divisors (305190855).

1135220425 is a wasteful number, since it uses less digits than its factorization.

1135220425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056072 (or 1056067 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1135220425 is about 33693.0322915584. The cubic root of 1135220425 is about 1043.1819536847.

Adding to 1135220425 its reverse (5240225311), we get a palindrome (6375445736).

The spelling of 1135220425 in words is "one billion, one hundred thirty-five million, two hundred twenty thousand, four hundred twenty-five".