100109974 has 32 divisors (see below), whose sum is σ = 172800000. Its totient is φ = 43182720.

The previous prime is 100109941. The next prime is 100109983. The reversal of 100109974 is 479901001.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17527 + ... + 22525.

It is an arithmetic number, because the mean of its divisors is an integer number (5400000).

Almost surely, 2^100109974 is an apocalyptic number.

100109974 is a deficient number, since it is larger than the sum of its proper divisors (72690026).

100109974 is a wasteful number, since it uses less digits than its factorization.

100109974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 100109974 is about 10005.4971890456. The cubic root of 100109974 is about 464.3289723887.

It can be divided in two parts, 10010997 and 4, that added together give a palindrome (10011001).

The spelling of 100109974 in words is "one hundred million, one hundred nine thousand, nine hundred seventy-four".