121423101 has 8 divisors (see below), whose sum is σ = 162891360. Its totient is φ = 80451792.

The previous prime is 121423097. The next prime is 121423111. The reversal of 121423101 is 101324121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121423101 - 2² = 121423097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121423111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123666 + ... + 124643.

It is an arithmetic number, because the mean of its divisors is an integer number (20361420).

Almost surely, 2^121423101 is an apocalyptic number.

It is an amenable number.

121423101 is a deficient number, since it is larger than the sum of its proper divisors (41468259).

121423101 is a wasteful number, since it uses less digits than its factorization.

121423101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248475.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 121423101 is about 11019.2150809393. The cubic root of 121423101 is about 495.1845735519.

Adding to 121423101 its reverse (101324121), we get a palindrome (222747222).

The spelling of 121423101 in words is "one hundred twenty-one million, four hundred twenty-three thousand, one hundred one".