120911663 has 2 divisors, whose sum is σ = 120911664. Its totient is φ = 120911662.

The previous prime is 120911653. The next prime is 120911669. The reversal of 120911663 is 366119021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120911663 - 2⁴ = 120911647 is a prime.

It is equal to p_6890501 and since 120911663 and 6890501 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120911669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60455831 + 60455832.

It is an arithmetic number, because the mean of its divisors is an integer number (60455832).

Almost surely, 2^120911663 is an apocalyptic number.

120911663 is a deficient number, since it is larger than the sum of its proper divisors (1).

120911663 is an equidigital number, since it uses as much as digits as its factorization.

120911663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 120911663 is about 10995.9839486969. The cubic root of 120911663 is about 494.4883506896.

The spelling of 120911663 in words is "one hundred twenty million, nine hundred eleven thousand, six hundred sixty-three".