121002293 has 2 divisors, whose sum is σ = 121002294. Its totient is φ = 121002292.

The previous prime is 121002281. The next prime is 121002337. The reversal of 121002293 is 392200121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120516484 + 485809 = 10978^2 + 697^2 .

It is an emirp because it is prime and its reverse (392200121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121002293 - 2¹⁸ = 120740149 is a prime.

It is a super-2 number, since 2×121002293² = 29283109822515698, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121002263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60501146 + 60501147.

It is an arithmetic number, because the mean of its divisors is an integer number (60501147).

Almost surely, 2^121002293 is an apocalyptic number.

It is an amenable number.

121002293 is a deficient number, since it is larger than the sum of its proper divisors (1).

121002293 is an equidigital number, since it uses as much as digits as its factorization.

121002293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 121002293 is about 11000.1042267789. The cubic root of 121002293 is about 494.6118686518.

The spelling of 121002293 in words is "one hundred twenty-one million, two thousand, two hundred ninety-three".