100909126 has 4 divisors (see below), whose sum is σ = 151363692. Its totient is φ = 50454562.

The previous prime is 100909117. The next prime is 100909139. The reversal of 100909126 is 621909001.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 100909094 and 100909103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25227280 + ... + 25227283.

It is an arithmetic number, because the mean of its divisors is an integer number (37840923).

Almost surely, 2^100909126 is an apocalyptic number.

100909126 is a deficient number, since it is larger than the sum of its proper divisors (50454566).

100909126 is an equidigital number, since it uses as much as digits as its factorization.

100909126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50454565.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 100909126 is about 10045.3534532141. The cubic root of 100909126 is about 465.5612385462.

It can be divided in two parts, 100 and 909126, that added together give a triangular number (909226 = T₁₃₄₈).

The spelling of 100909126 in words is "one hundred million, nine hundred nine thousand, one hundred twenty-six".