1042252225 has 24 divisors (see below), whose sum is σ = 1490851008. Its totient is φ = 707995200.

The previous prime is 1042252219. The next prime is 1042252243. The reversal of 1042252225 is 5222522401.

1042252225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1042252225 - 2¹³ = 1042244033 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 1042252225.

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, 9106 + ... + 46555.

It is an arithmetic number, because the mean of its divisors is an integer number (62118792).

Almost surely, 2^1042252225 is an apocalyptic number.

It is an amenable number.

1042252225 is a deficient number, since it is larger than the sum of its proper divisors (448598783).

1042252225 is a wasteful number, since it uses less digits than its factorization.

1042252225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55785 (or 55780 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1042252225 is about 32283.9313746018. The cubic root of 1042252225 is about 1013.8902428316.

Adding to 1042252225 its reverse (5222522401), we get a palindrome (6264774626).

The spelling of 1042252225 in words is "one billion, forty-two million, two hundred fifty-two thousand, two hundred twenty-five".