120121973 has 8 divisors (see below), whose sum is σ = 124387680. Its totient is φ = 115864560.

The previous prime is 120121957. The next prime is 120121997. The reversal of 120121973 is 379121021.

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 120121973 - 2⁴ = 120121957 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 (120121073) 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, 49478 + ... + 51848.

It is an arithmetic number, because the mean of its divisors is an integer number (15548460).

Almost surely, 2^120121973 is an apocalyptic number.

It is an amenable number.

120121973 is a deficient number, since it is larger than the sum of its proper divisors (4265707).

120121973 is a wasteful number, since it uses less digits than its factorization.

120121973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 120121973 is about 10960.0170164101. The cubic root of 120121973 is about 493.4094756571.

Adding to 120121973 its reverse (379121021), we get a palindrome (499242994).

The spelling of 120121973 in words is "one hundred twenty million, one hundred twenty-one thousand, nine hundred seventy-three".