110121407 has 4 divisors (see below), whose sum is σ = 120132456. Its totient is φ = 100110360.

The previous prime is 110121379. The next prime is 110121421. The reversal of 110121407 is 704121011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 110121407 - 2⁶ = 110121343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121457) 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, 5005508 + ... + 5005529.

It is an arithmetic number, because the mean of its divisors is an integer number (30033114).

Almost surely, 2^110121407 is an apocalyptic number.

110121407 is a deficient number, since it is larger than the sum of its proper divisors (10011049).

110121407 is a wasteful number, since it uses less digits than its factorization.

110121407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011048.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 110121407 is about 10493.8747371979. The cubic root of 110121407 is about 479.3181972305.

Adding to 110121407 its reverse (704121011), we get a palindrome (814242418).

The spelling of 110121407 in words is "one hundred ten million, one hundred twenty-one thousand, four hundred seven".