109612049 has 4 divisors (see below), whose sum is σ = 110475264. Its totient is φ = 108748836.

The previous prime is 109612033. The next prime is 109612051. The reversal of 109612049 is 940216901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109612049 - 2⁴ = 109612033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109612099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431417 + ... + 431670.

It is an arithmetic number, because the mean of its divisors is an integer number (27618816).

Almost surely, 2^109612049 is an apocalyptic number.

It is an amenable number.

109612049 is a deficient number, since it is larger than the sum of its proper divisors (863215).

109612049 is an equidigital number, since it uses as much as digits as its factorization.

109612049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863214.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 109612049 is about 10469.5773076089. The cubic root of 109612049 is about 478.5780385301.

The spelling of 109612049 in words is "one hundred nine million, six hundred twelve thousand, forty-nine".