120114991 has 2 divisors, whose sum is σ = 120114992. Its totient is φ = 120114990.

The previous prime is 120114977. The next prime is 120115069. The reversal of 120114991 is 199411021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120114991 - 2¹³ = 120106799 is a prime.

It is a super-2 number, since 2×120114991² = 28855222125860162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120114931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60057495 + 60057496.

It is an arithmetic number, because the mean of its divisors is an integer number (60057496).

Almost surely, 2^120114991 is an apocalyptic number.

120114991 is a deficient number, since it is larger than the sum of its proper divisors (1).

120114991 is an equidigital number, since it uses as much as digits as its factorization.

120114991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 120114991 is about 10959.6984903783. The cubic root of 120114991 is about 493.3999157861.

The spelling of 120114991 in words is "one hundred twenty million, one hundred fourteen thousand, nine hundred ninety-one".