121976273 has 2 divisors, whose sum is σ = 121976274. Its totient is φ = 121976272.

The previous prime is 121976269. The next prime is 121976297. The reversal of 121976273 is 372679121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106357969 + 15618304 = 10313^2 + 3952^2 .

It is a cyclic number.

It is not a de Polignac number, because 121976273 - 2² = 121976269 is a prime.

It is a super-2 number, since 2×121976273² = 29756422349941058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121976203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60988136 + 60988137.

It is an arithmetic number, because the mean of its divisors is an integer number (60988137).

Almost surely, 2^121976273 is an apocalyptic number.

It is an amenable number.

121976273 is a deficient number, since it is larger than the sum of its proper divisors (1).

121976273 is an equidigital number, since it uses as much as digits as its factorization.

121976273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 38.

The square root of 121976273 is about 11044.2868941367. The cubic root of 121976273 is about 495.9354117793.

The spelling of 121976273 in words is "one hundred twenty-one million, nine hundred seventy-six thousand, two hundred seventy-three".