121292233 has 2 divisors, whose sum is σ = 121292234. Its totient is φ = 121292232.

The previous prime is 121292209. The next prime is 121292273. The reversal of 121292233 is 332292121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109265209 + 12027024 = 10453^2 + 3468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121292233 is a prime.

It is a super-2 number, since 2×121292233² = 29423611572252578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121292198 and 121292207.

It is not a weakly prime, because it can be changed into another prime (121292273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60646116 + 60646117.

It is an arithmetic number, because the mean of its divisors is an integer number (60646117).

Almost surely, 2^121292233 is an apocalyptic number.

It is an amenable number.

121292233 is a deficient number, since it is larger than the sum of its proper divisors (1).

121292233 is an equidigital number, since it uses as much as digits as its factorization.

121292233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 121292233 is about 11013.2753075550. The cubic root of 121292233 is about 495.0066087612.

The spelling of 121292233 in words is "one hundred twenty-one million, two hundred ninety-two thousand, two hundred thirty-three".