123254121 has 8 divisors (see below), whose sum is σ = 172988320. Its totient is φ = 77844672.

The previous prime is 123254113. The next prime is 123254123. The reversal of 123254121 is 121452321.

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

It is not a de Polignac number, because 123254121 - 2³ = 123254113 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123254123) 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, 1081120 + ... + 1081233.

It is an arithmetic number, because the mean of its divisors is an integer number (21623540).

Almost surely, 2^123254121 is an apocalyptic number.

It is an amenable number.

123254121 is a deficient number, since it is larger than the sum of its proper divisors (49734199).

123254121 is a wasteful number, since it uses less digits than its factorization.

123254121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162375.

The product of its digits is 480, while the sum is 21.

The square root of 123254121 is about 11101.9872545414. The cubic root of 123254121 is about 497.6612387820.

The spelling of 123254121 in words is "one hundred twenty-three million, two hundred fifty-four thousand, one hundred twenty-one".