121271973 has 8 divisors (see below), whose sum is σ = 165639936. Its totient is φ = 78876000.

The previous prime is 121271959. The next prime is 121272001. The reversal of 121271973 is 379172121.

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

It is not a de Polignac number, because 121271973 - 2¹³ = 121263781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121271933) 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, 492853 + ... + 493098.

It is an arithmetic number, because the mean of its divisors is an integer number (20704992).

Almost surely, 2^121271973 is an apocalyptic number.

It is an amenable number.

121271973 is a deficient number, since it is larger than the sum of its proper divisors (44367963).

121271973 is an equidigital number, since it uses as much as digits as its factorization.

121271973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985995.

The product of its digits is 5292, while the sum is 33.

The square root of 121271973 is about 11012.3554701072. The cubic root of 121271973 is about 494.9790461490.

The spelling of 121271973 in words is "one hundred twenty-one million, two hundred seventy-one thousand, nine hundred seventy-three".