100874550 has 96 divisors (see below), whose sum is σ = 298409472. Its totient is φ = 22049280.

The previous prime is 100874531. The next prime is 100874551. The reversal of 100874550 is 55478001.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100874551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22062 + ... + 26238.

It is an arithmetic number, because the mean of its divisors is an integer number (3108432).

Almost surely, 2^100874550 is an apocalyptic number.

100874550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100874550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149204736).

100874550 is an abundant number, since it is smaller than the sum of its proper divisors (197534922).

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

100874550 is a wasteful number, since it uses less digits than its factorization.

100874550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222 (or 4217 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 100874550 is about 10043.6323110715. The cubic root of 100874550 is about 465.5080584064.

The spelling of 100874550 in words is "one hundred million, eight hundred seventy-four thousand, five hundred fifty".