3090121105 has 4 divisors (see below), whose sum is σ = 3708145332. Its totient is φ = 2472096880.

The previous prime is 3090121057. The next prime is 3090121109. The reversal of 3090121105 is 5011210903.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5011210903 = 139 ⋅36051877.

It can be written as a sum of positive squares in 2 ways, for example, as 1386743121 + 1703377984 = 37239^2 + 41272^2 .

It is not a de Polignac number, because 3090121105 - 2⁷ = 3090120977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3090121109) 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, 309012106 + ... + 309012115.

It is an arithmetic number, because the mean of its divisors is an integer number (927036333).

Almost surely, 2^3090121105 is an apocalyptic number.

It is an amenable number.

3090121105 is a deficient number, since it is larger than the sum of its proper divisors (618024227).

3090121105 is an equidigital number, since it uses as much as digits as its factorization.

3090121105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618024226.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 3090121105 is about 55588.8577414575. The cubic root of 3090121105 is about 1456.5492258935.

The spelling of 3090121105 in words is "three billion, ninety million, one hundred twenty-one thousand, one hundred five".