121073663 has 2 divisors, whose sum is σ = 121073664. Its totient is φ = 121073662.

The previous prime is 121073611. The next prime is 121073683. The reversal of 121073663 is 366370121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121073663 - 2⁶ = 121073599 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121073683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60536831 + 60536832.

It is an arithmetic number, because the mean of its divisors is an integer number (60536832).

Almost surely, 2^121073663 is an apocalyptic number.

121073663 is a deficient number, since it is larger than the sum of its proper divisors (1).

121073663 is an equidigital number, since it uses as much as digits as its factorization.

121073663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 121073663 is about 11003.3478087353. The cubic root of 121073663 is about 494.7090941124.

The spelling of 121073663 in words is "one hundred twenty-one million, seventy-three thousand, six hundred sixty-three".