120355091 has 2 divisors, whose sum is σ = 120355092. Its totient is φ = 120355090.

The previous prime is 120355009. The next prime is 120355099. The reversal of 120355091 is 190553021.

It is a strong prime.

It is an emirp because it is prime and its reverse (190553021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120355091 - 2¹⁴ = 120338707 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120355091.

It is not a weakly prime, because it can be changed into another prime (120355099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60177545 + 60177546.

It is an arithmetic number, because the mean of its divisors is an integer number (60177546).

Almost surely, 2^120355091 is an apocalyptic number.

120355091 is a deficient number, since it is larger than the sum of its proper divisors (1).

120355091 is an equidigital number, since it uses as much as digits as its factorization.

120355091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 120355091 is about 10970.6467904130. The cubic root of 120355091 is about 493.7284522776.

The spelling of 120355091 in words is "one hundred twenty million, three hundred fifty-five thousand, ninety-one".