100561010 has 16 divisors (see below), whose sum is σ = 197465472. Its totient is φ = 36567600.

The previous prime is 100561007. The next prime is 100561031. The reversal of 100561010 is 10165001.

It is a super-2 number, since 2×100561010² = 20225033464440200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456986 + ... + 457205.

It is an arithmetic number, because the mean of its divisors is an integer number (12341592).

Almost surely, 2^100561010 is an apocalyptic number.

100561010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100561010 is a deficient number, since it is larger than the sum of its proper divisors (96904462).

100561010 is a wasteful number, since it uses less digits than its factorization.

100561010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914209.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 100561010 is about 10028.0112684420. The cubic root of 100561010 is about 465.0252578102.

The spelling of 100561010 in words is "one hundred million, five hundred sixty-one thousand, ten".