1245044825 has 12 divisors (see below), whose sum is σ = 1625111760. Its totient is φ = 943612560.

The previous prime is 1245044813. The next prime is 1245044837. The reversal of 1245044825 is 5284405421.

It is an interprime number because it is at equal distance from previous prime (1245044813) and next prime (1245044837).

It is not a de Polignac number, because 1245044825 - 2¹² = 1245040729 is a prime.

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, 1310099 + ... + 1311048.

It is an arithmetic number, because the mean of its divisors is an integer number (135425980).

Almost surely, 2^1245044825 is an apocalyptic number.

It is an amenable number.

1245044825 is a deficient number, since it is larger than the sum of its proper divisors (380066935).

1245044825 is a wasteful number, since it uses less digits than its factorization.

1245044825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621176 (or 2621171 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

The square root of 1245044825 is about 35285.1927159255. The cubic root of 1245044825 is about 1075.7920465373.

It can be divided in two parts, 12450 and 44825, that added together give a palindrome (57275).

The spelling of 1245044825 in words is "one billion, two hundred forty-five million, forty-four thousand, eight hundred twenty-five".