100478112 has 48 divisors (see below), whose sum is σ = 301436352. Its totient is φ = 28707840.

The previous prime is 100478111. The next prime is 100478113. The reversal of 100478112 is 211874001.

It is an interprime number because it is at equal distance from previous prime (100478111) and next prime (100478113).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (100478111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74089 + ... + 75432.

It is an arithmetic number, because the mean of its divisors is an integer number (6279924).

Almost surely, 2^100478112 is an apocalyptic number.

100478112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100478112 is an abundant number, since it is smaller than the sum of its proper divisors (200958240).

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

100478112 is a wasteful number, since it uses less digits than its factorization.

100478112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149541 (or 149533 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 100478112 is about 10023.8770942186. The cubic root of 100478112 is about 464.8974406720.

The spelling of 100478112 in words is "one hundred million, four hundred seventy-eight thousand, one hundred twelve".