100042860 has 48 divisors (see below), whose sum is σ = 282756096. Its totient is φ = 26427072.

The previous prime is 100042843. The next prime is 100042871. The reversal of 100042860 is 68240001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1372 + ... + 14211.

It is an arithmetic number, because the mean of its divisors is an integer number (5890752).

Almost surely, 2^100042860 is an apocalyptic number.

100042860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100042860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141378048).

100042860 is an abundant number, since it is smaller than the sum of its proper divisors (182713236).

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

100042860 is a wasteful number, since it uses less digits than its factorization.

100042860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15702 (or 15700 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 100042860 is about 10002.1427704267. The cubic root of 100042860 is about 464.2251867221.

Adding to 100042860 its reverse (68240001), we get a palindrome (168282861).

The spelling of 100042860 in words is "one hundred million, forty-two thousand, eight hundred sixty".