1002044925 has 120 divisors (see below), whose sum is σ = 2137529856. Its totient is φ = 454584960.

The previous prime is 1002044903. The next prime is 1002045001. The reversal of 1002044925 is 5294402001.

It is not a de Polignac number, because 1002044925 - 2⁵ = 1002044893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3160867 + ... + 3161183.

Almost surely, 2^1002044925 is an apocalyptic number.

1002044925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1002044925 is an abundant number, since it is smaller than the sum of its proper divisors (1135484931).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002044925 is a wasteful number, since it uses less digits than its factorization.

1002044925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1002044925 is about 31655.0931920915. The cubic root of 1002044925 is about 1000.6811775584.

Adding to 1002044925 its reverse (5294402001), we get a palindrome (6296446926).

It can be divided in two parts, 10020 and 44925, that added together give a palindrome (54945).

The spelling of 1002044925 in words is "one billion, two million, forty-four thousand, nine hundred twenty-five".