109242901 has 8 divisors (see below), whose sum is σ = 118490904. Its totient is φ = 100308480.

The previous prime is 109242877. The next prime is 109242923.

It is a happy number.

109242901 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 6200100 + 103042801 = 2490^2 + 10151^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 109242901 - 2⁷ = 109242773 is a prime.

It is a super-2 number, since 2×109242901² = 23868022837791602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109242901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109242941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77670 + ... + 79063.

It is an arithmetic number, because the mean of its divisors is an integer number (14811363).

Almost surely, 2^109242901 is an apocalyptic number.

It is an amenable number.

109242901 is a deficient number, since it is larger than the sum of its proper divisors (9248003).

109242901 is a wasteful number, since it uses less digits than its factorization.

109242901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156791.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 109242901 is about 10451.9328834431. The cubic root of 109242901 is about 478.0401876192.

The spelling of 109242901 in words is "one hundred nine million, two hundred forty-two thousand, nine hundred one".