121161463 has 2 divisors, whose sum is σ = 121161464. Its totient is φ = 121161462.

The previous prime is 121161451. The next prime is 121161473. The reversal of 121161463 is 364161121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121161463 - 2¹⁷ = 121030391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121161473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60580731 + 60580732.

It is an arithmetic number, because the mean of its divisors is an integer number (60580732).

Almost surely, 2^121161463 is an apocalyptic number.

121161463 is a deficient number, since it is larger than the sum of its proper divisors (1).

121161463 is an equidigital number, since it uses as much as digits as its factorization.

121161463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 121161463 is about 11007.3367805296. The cubic root of 121161463 is about 494.8286493268.

The spelling of 121161463 in words is "one hundred twenty-one million, one hundred sixty-one thousand, four hundred sixty-three".