1000025112 has 16 divisors (see below), whose sum is σ = 2500062840. Its totient is φ = 333341696.

The previous prime is 1000025111. The next prime is 1000025129. The reversal of 1000025112 is 2115200001.

1000025112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1000025112² = 2000100449261225088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000025111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20833833 + ... + 20833880.

Almost surely, 2^1000025112 is an apocalyptic number.

1000025112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000025112 is an abundant number, since it is smaller than the sum of its proper divisors (1500037728).

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

1000025112 is a wasteful number, since it uses less digits than its factorization.

1000025112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41667722 (or 41667718 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1000025112 is about 31623.1736547741. The cubic root of 1000025112 is about 1000.0083705966.

Adding to 1000025112 its reverse (2115200001), we get a palindrome (3115225113).

The spelling of 1000025112 in words is "one billion, twenty-five thousand, one hundred twelve".