322120087 has 2 divisors, whose sum is σ = 322120088. Its totient is φ = 322120086.

The previous prime is 322120079. The next prime is 322120109. The reversal of 322120087 is 780021223.

It is a weak prime.

It is an emirp because it is prime and its reverse (780021223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 322120087 - 2³ = 322120079 is a prime.

It is a super-2 number, since 2×322120087² = 207522700897775138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322120787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161060043 + 161060044.

It is an arithmetic number, because the mean of its divisors is an integer number (161060044).

Almost surely, 2^322120087 is an apocalyptic number.

322120087 is a deficient number, since it is larger than the sum of its proper divisors (1).

322120087 is an equidigital number, since it uses as much as digits as its factorization.

322120087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 322120087 is about 17947.7042264463. The cubic root of 322120087 is about 685.4975957204.

It can be divided in two parts, 322 and 120087, that added together give a square (120409 = 347²).

The spelling of 322120087 in words is "three hundred twenty-two million, one hundred twenty thousand, eighty-seven".