105583121 has 4 divisors (see below), whose sum is σ = 120666432. Its totient is φ = 90499812.

The previous prime is 105583109. The next prime is 105583129. The reversal of 105583121 is 121385501.

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.

It is a cyclic number.

It is not a de Polignac number, because 105583121 - 2²⁶ = 38474257 is a prime.

It is a super-2 number, since 2×105583121² = 22295590880201282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105583129) 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, 7541645 + ... + 7541658.

It is an arithmetic number, because the mean of its divisors is an integer number (30166608).

Almost surely, 2^105583121 is an apocalyptic number.

It is an amenable number.

105583121 is a deficient number, since it is larger than the sum of its proper divisors (15083311).

105583121 is an equidigital number, since it uses as much as digits as its factorization.

105583121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15083310.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 105583121 is about 10275.3647623819. The cubic root of 105583121 is about 472.6411153398.

The spelling of 105583121 in words is "one hundred five million, five hundred eighty-three thousand, one hundred twenty-one".