100661230 has 16 divisors (see below), whose sum is σ = 181718640. Its totient is φ = 40147072.

The previous prime is 100661227. The next prime is 100661251. The reversal of 100661230 is 32166001.

It is a super-2 number, since 2×100661230² = 20265366450225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100661198 and 100661207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11035 + ... + 17974.

It is an arithmetic number, because the mean of its divisors is an integer number (11357415).

Almost surely, 2^100661230 is an apocalyptic number.

100661230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100661230 is a deficient number, since it is larger than the sum of its proper divisors (81057410).

100661230 is a wasteful number, since it uses less digits than its factorization.

100661230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29363.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 100661230 is about 10033.0070268091. The cubic root of 100661230 is about 465.1796892929.

The spelling of 100661230 in words is "one hundred million, six hundred sixty-one thousand, two hundred thirty".