121993273 has 2 divisors, whose sum is σ = 121993274. Its totient is φ = 121993272.

The previous prime is 121993259. The next prime is 121993283. The reversal of 121993273 is 372399121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101445184 + 20548089 = 10072^2 + 4533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121993273 is a prime.

It is not a weakly prime, because it can be changed into another prime (121993213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60996636 + 60996637.

It is an arithmetic number, because the mean of its divisors is an integer number (60996637).

Almost surely, 2^121993273 is an apocalyptic number.

It is an amenable number.

121993273 is a deficient number, since it is larger than the sum of its proper divisors (1).

121993273 is an equidigital number, since it uses as much as digits as its factorization.

121993273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 37.

The square root of 121993273 is about 11045.0564960076. The cubic root of 121993273 is about 495.9584504412.

It can be divided in two parts, 12199327 and 3, that added together give a triangular number (12199330 = T₄₉₃₉).

The spelling of 121993273 in words is "one hundred twenty-one million, nine hundred ninety-three thousand, two hundred seventy-three".