120895591 has 2 divisors, whose sum is σ = 120895592. Its totient is φ = 120895590.

The previous prime is 120895573. The next prime is 120895601. The reversal of 120895591 is 195598021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120895591 - 2¹⁷ = 120764519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120895561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60447795 + 60447796.

It is an arithmetic number, because the mean of its divisors is an integer number (60447796).

Almost surely, 2^120895591 is an apocalyptic number.

120895591 is a deficient number, since it is larger than the sum of its proper divisors (1).

120895591 is an equidigital number, since it uses as much as digits as its factorization.

120895591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 40.

The square root of 120895591 is about 10995.2531121389. The cubic root of 120895591 is about 494.4664400133.

The spelling of 120895591 in words is "one hundred twenty million, eight hundred ninety-five thousand, five hundred ninety-one".