109912401 has 12 divisors (see below), whose sum is σ = 158978820. Its totient is φ = 73175040.

The previous prime is 109912373. The next prime is 109912417. The reversal of 109912401 is 104219901.

It can be written as a sum of positive squares in 2 ways, for example, as 77422401 + 32490000 = 8799^2 + 5700^2 .

It is not a de Polignac number, because 109912401 - 2⁶ = 109912337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109912441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1020 + ... + 14861.

It is an arithmetic number, because the mean of its divisors is an integer number (13248235).

Almost surely, 2^109912401 is an apocalyptic number.

It is an amenable number.

109912401 is a deficient number, since it is larger than the sum of its proper divisors (49066419).

109912401 is a wasteful number, since it uses less digits than its factorization.

109912401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16656 (or 16653 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 109912401 is about 10483.9115314848. The cubic root of 109912401 is about 479.0147629628.

The spelling of 109912401 in words is "one hundred nine million, nine hundred twelve thousand, four hundred one".