1142035225 has 24 divisors (see below), whose sum is σ = 1467952920. Its totient is φ = 880320000.

The previous prime is 1142035177. The next prime is 1142035241. The reversal of 1142035225 is 5225302411.

It can be written as a sum of positive squares in 12 ways, for example, as 28611801 + 1113423424 = 5349^2 + 33368^2 .

It is not a de Polignac number, because 1142035225 - 2¹¹ = 1142033177 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 1142035225.

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, 434415 + ... + 437035.

It is an arithmetic number, because the mean of its divisors is an integer number (61164705).

Almost surely, 2^1142035225 is an apocalyptic number.

It is an amenable number.

1142035225 is a deficient number, since it is larger than the sum of its proper divisors (325917695).

1142035225 is a wasteful number, since it uses less digits than its factorization.

1142035225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261 (or 3256 counting only the distinct ones).

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

The square root of 1142035225 is about 33794.0116736679. The cubic root of 1142035225 is about 1045.2652196488.

Adding to 1142035225 its reverse (5225302411), we get a palindrome (6367337636).

The spelling of 1142035225 in words is "one billion, one hundred forty-two million, thirty-five thousand, two hundred twenty-five".