121406127 has 8 divisors (see below), whose sum is σ = 162393264. Its totient is φ = 80678208.

The previous prime is 121406113. The next prime is 121406147. The reversal of 121406127 is 721604121.

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

It is not a de Polignac number, because 121406127 - 2⁸ = 121405871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121406097 and 121406106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121406147) 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, 63708 + ... + 65585.

It is an arithmetic number, because the mean of its divisors is an integer number (20299158).

Almost surely, 2^121406127 is an apocalyptic number.

121406127 is a deficient number, since it is larger than the sum of its proper divisors (40987137).

121406127 is a wasteful number, since it uses less digits than its factorization.

121406127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129609.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 121406127 is about 11018.4448539710. Note that the first 3 decimals coincide. The cubic root of 121406127 is about 495.1614981662.

The spelling of 121406127 in words is "one hundred twenty-one million, four hundred six thousand, one hundred twenty-seven".