105940121 has 8 divisors (see below), whose sum is σ = 122533824. Its totient is φ = 89711280.

The previous prime is 105940117. The next prime is 105940123. The reversal of 105940121 is 121049501.

It is a happy number.

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 105940121 - 2² = 105940117 is a prime.

It is a super-2 number, since 2×105940121² = 22446618474989282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105940123) 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, 90590 + ... + 91751.

It is an arithmetic number, because the mean of its divisors is an integer number (15316728).

Almost surely, 2^105940121 is an apocalyptic number.

It is an amenable number.

105940121 is a deficient number, since it is larger than the sum of its proper divisors (16593703).

105940121 is an equidigital number, since it uses as much as digits as its factorization.

105940121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182431.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 105940121 is about 10292.7217488864. The cubic root of 105940121 is about 473.1732176258.

Adding to 105940121 its reverse (121049501), we get a palindrome (226989622).

The spelling of 105940121 in words is "one hundred five million, nine hundred forty thousand, one hundred twenty-one".