100860019 has 16 divisors (see below), whose sum is σ = 113218560. Its totient is φ = 89218080.

The previous prime is 100860017. The next prime is 100860047. The reversal of 100860019 is 910068001.

It is a cyclic number.

It is not a de Polignac number, because 100860019 - 2¹ = 100860017 is a prime.

It is a super-2 number, since 2×100860019² = 20345486865360722, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 100859975 and 100860002.

It is not an unprimeable number, because it can be changed into a prime (100860013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41952 + ... + 44290.

It is an arithmetic number, because the mean of its divisors is an integer number (7076160).

Almost surely, 2^100860019 is an apocalyptic number.

100860019 is a deficient number, since it is larger than the sum of its proper divisors (12358541).

100860019 is a wasteful number, since it uses less digits than its factorization.

100860019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 100860019 is about 10042.9088913521. The cubic root of 100860019 is about 465.4857051554.

The spelling of 100860019 in words is "one hundred million, eight hundred sixty thousand, nineteen".