1025043100 has 36 divisors (see below), whose sum is σ = 2226767200. Its totient is φ = 409570560.

The previous prime is 1025043043. The next prime is 1025043119. The reversal of 1025043100 is 13405201.

It is a super-2 number, since 2×1025043100² = 2101426713715220000, which contains 22 as substring.

It is a congruent number.

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, 95821 + ... + 105979.

Almost surely, 2^1025043100 is an apocalyptic number.

1025043100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025043100 is an abundant number, since it is smaller than the sum of its proper divisors (1201724100).

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

1025043100 is a wasteful number, since it uses less digits than its factorization.

1025043100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11182 (or 11175 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1025043100 is about 32016.2942890023. The cubic root of 1025043100 is about 1008.2789695133.

Adding to 1025043100 its reverse (13405201), we get a palindrome (1038448301).

The spelling of 1025043100 in words is "one billion, twenty-five million, forty-three thousand, one hundred".