100430992 has 20 divisors (see below), whose sum is σ = 194987520. Its totient is φ = 50111648.

The previous prime is 100430977. The next prime is 100431007. The reversal of 100430992 is 299034001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100430977) and next prime (100431007).

It is a self number, because there is not a number n which added to its sum of digits gives 100430992.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1809 + ... + 14287.

It is an arithmetic number, because the mean of its divisors is an integer number (9749376).

Almost surely, 2^100430992 is an apocalyptic number.

It is an amenable number.

100430992 is a deficient number, since it is larger than the sum of its proper divisors (94556528).

100430992 is a wasteful number, since it uses less digits than its factorization.

100430992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12990 (or 12984 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 100430992 is about 10021.5264306392. The cubic root of 100430992 is about 464.8247568732.

Adding to 100430992 its reverse (299034001), we get a palindrome (399464993).

The spelling of 100430992 in words is "one hundred million, four hundred thirty thousand, nine hundred ninety-two".