121051423 has 8 divisors (see below), whose sum is σ = 125358480. Its totient is φ = 116753280.

The previous prime is 121051397. The next prime is 121051439. The reversal of 121051423 is 324150121.

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 121051423 - 2⁵ = 121051391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121051423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121051123) 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, 37936 + ... + 41002.

It is an arithmetic number, because the mean of its divisors is an integer number (15669810).

Almost surely, 2^121051423 is an apocalyptic number.

121051423 is a deficient number, since it is larger than the sum of its proper divisors (4307057).

121051423 is a wasteful number, since it uses less digits than its factorization.

121051423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 121051423 is about 11002.3371608036. The cubic root of 121051423 is about 494.6788012485.

The spelling of 121051423 in words is "one hundred twenty-one million, fifty-one thousand, four hundred twenty-three".