100748420 has 24 divisors (see below), whose sum is σ = 213630144. Its totient is φ = 39907296.

The previous prime is 100748413. The next prime is 100748429. The reversal of 100748420 is 24847001.

It is a self number, because there is not a number n which added to its sum of digits gives 100748420.

It is not an unprimeable number, because it can be changed into a prime (100748429) 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, 22394 + ... + 26513.

It is an arithmetic number, because the mean of its divisors is an integer number (8901256).

Almost surely, 2^100748420 is an apocalyptic number.

100748420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100748420 is an abundant number, since it is smaller than the sum of its proper divisors (112881724).

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

100748420 is a wasteful number, since it uses less digits than its factorization.

100748420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49019 (or 49017 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 100748420 is about 10037.3512442277. The cubic root of 100748420 is about 465.3139591682.

The spelling of 100748420 in words is "one hundred million, seven hundred forty-eight thousand, four hundred twenty".