121677273 has 12 divisors (see below), whose sum is σ = 185006640. Its totient is φ = 76848696.

The previous prime is 121677251. The next prime is 121677277. The reversal of 121677273 is 372776121.

It is not a de Polignac number, because 121677273 - 2¹⁰ = 121676249 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121677277) 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 11 ways as a sum of consecutive naturals, for example, 355611 + ... + 355952.

It is an arithmetic number, because the mean of its divisors is an integer number (15417220).

Almost surely, 2^121677273 is an apocalyptic number.

It is an amenable number.

121677273 is a deficient number, since it is larger than the sum of its proper divisors (63329367).

121677273 is a wasteful number, since it uses less digits than its factorization.

121677273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711588 (or 711585 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 121677273 is about 11030.7421781129. The cubic root of 121677273 is about 495.5298519848.

The spelling of 121677273 in words is "one hundred twenty-one million, six hundred seventy-seven thousand, two hundred seventy-three".