1025242404 has 12 divisors (see below), whose sum is σ = 2392232304. Its totient is φ = 341747464.

The previous prime is 1025242403. The next prime is 1025242429. The reversal of 1025242404 is 4042425201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1025242404² = 2102243973919398432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1025242403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42718422 + ... + 42718445.

It is an arithmetic number, because the mean of its divisors is an integer number (199352692).

Almost surely, 2^1025242404 is an apocalyptic number.

It is an amenable number.

1025242404 is an abundant number, since it is smaller than the sum of its proper divisors (1366989900).

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

1025242404 is a wasteful number, since it uses less digits than its factorization.

1025242404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85436874 (or 85436872 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1025242404 is about 32019.4066778259. The cubic root of 1025242404 is about 1008.3443134352.

Adding to 1025242404 its reverse (4042425201), we get a palindrome (5067667605).

The spelling of 1025242404 in words is "one billion, twenty-five million, two hundred forty-two thousand, four hundred four".