121973349 has 16 divisors (see below), whose sum is σ = 167671808. Its totient is φ = 78812352.

The previous prime is 121973339. The next prime is 121973353. The reversal of 121973349 is 943379121.

It is a de Polignac number, because none of the positive numbers 2^k-121973349 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 (121973339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28764 + ... + 32730.

It is an arithmetic number, because the mean of its divisors is an integer number (10479488).

Almost surely, 2^121973349 is an apocalyptic number.

It is an amenable number.

121973349 is a deficient number, since it is larger than the sum of its proper divisors (45698459).

121973349 is a wasteful number, since it uses less digits than its factorization.

121973349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284.

The product of its digits is 40824, while the sum is 39.

The square root of 121973349 is about 11044.1545172095. The cubic root of 121973349 is about 495.9314489137.

The spelling of 121973349 in words is "one hundred twenty-one million, nine hundred seventy-three thousand, three hundred forty-nine".