120662287 has 2 divisors, whose sum is σ = 120662288. Its totient is φ = 120662286.

The previous prime is 120662279. The next prime is 120662317. The reversal of 120662287 is 782266021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120662287 - 2³ = 120662279 is a prime.

It is equal to p_6877204 and since 120662287 and 6877204 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 (120662987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60331143 + 60331144.

It is an arithmetic number, because the mean of its divisors is an integer number (60331144).

Almost surely, 2^120662287 is an apocalyptic number.

120662287 is a deficient number, since it is larger than the sum of its proper divisors (1).

120662287 is an equidigital number, since it uses as much as digits as its factorization.

120662287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 120662287 is about 10984.6386831793. The cubic root of 120662287 is about 494.1481618340.

The spelling of 120662287 in words is "one hundred twenty million, six hundred sixty-two thousand, two hundred eighty-seven".