121950461 has 2 divisors, whose sum is σ = 121950462. Its totient is φ = 121950460.

The previous prime is 121950457. The next prime is 121950473. The reversal of 121950461 is 164059121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80102500 + 41847961 = 8950^2 + 6469^2 .

It is a cyclic number.

It is not a de Polignac number, because 121950461 - 2² = 121950457 is a prime.

It is a super-2 number, since 2×121950461² = 29743829876225042, 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 (121950421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60975230 + 60975231.

It is an arithmetic number, because the mean of its divisors is an integer number (60975231).

Almost surely, 2^121950461 is an apocalyptic number.

It is an amenable number.

121950461 is a deficient number, since it is larger than the sum of its proper divisors (1).

121950461 is an equidigital number, since it uses as much as digits as its factorization.

121950461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 121950461 is about 11043.1182643310. The cubic root of 121950461 is about 495.9004268662.

The spelling of 121950461 in words is "one hundred twenty-one million, nine hundred fifty thousand, four hundred sixty-one".