109617261 has 8 divisors (see below), whose sum is σ = 157399200. Its totient is φ = 67456752.

The previous prime is 109617239. The next prime is 109617283. The reversal of 109617261 is 162716901.

It is an interprime number because it is at equal distance from previous prime (109617239) and next prime (109617283).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109617261 - 2⁵ = 109617229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109617461) 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 7 ways as a sum of consecutive naturals, for example, 1405311 + ... + 1405388.

It is an arithmetic number, because the mean of its divisors is an integer number (19674900).

Almost surely, 2^109617261 is an apocalyptic number.

It is an amenable number.

109617261 is a deficient number, since it is larger than the sum of its proper divisors (47781939).

109617261 is a wasteful number, since it uses less digits than its factorization.

109617261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810715.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 109617261 is about 10469.8262163228. The cubic root of 109617261 is about 478.5856237947.

The spelling of 109617261 in words is "one hundred nine million, six hundred seventeen thousand, two hundred sixty-one".