108964261 has 4 divisors (see below), whose sum is σ = 124530592. Its totient is φ = 93397932.

The previous prime is 108964249. The next prime is 108964277. The reversal of 108964261 is 162469801.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 162469801 = 13 ⋅12497677.

It is a cyclic number.

It is not a de Polignac number, because 108964261 - 2¹¹ = 108962213 is a prime.

It is a super-2 number, since 2×108964261² = 23746420350552242, 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 108964261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108964201) 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, 7783155 + ... + 7783168.

It is an arithmetic number, because the mean of its divisors is an integer number (31132648).

Almost surely, 2^108964261 is an apocalyptic number.

It is an amenable number.

108964261 is a deficient number, since it is larger than the sum of its proper divisors (15566331).

108964261 is an equidigital number, since it uses as much as digits as its factorization.

108964261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15566330.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 108964261 is about 10438.5947809080. The cubic root of 108964261 is about 477.6334044261.

The spelling of 108964261 in words is "one hundred eight million, nine hundred sixty-four thousand, two hundred sixty-one".