122294587 has 2 divisors, whose sum is σ = 122294588. Its totient is φ = 122294586.

The previous prime is 122294567. The next prime is 122294603. The reversal of 122294587 is 785492221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122294587 is a prime.

It is not a weakly prime, because it can be changed into another prime (122294567) 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, 61147293 + 61147294.

It is an arithmetic number, because the mean of its divisors is an integer number (61147294).

Almost surely, 2^122294587 is an apocalyptic number.

122294587 is a deficient number, since it is larger than the sum of its proper divisors (1).

122294587 is an equidigital number, since it uses as much as digits as its factorization.

122294587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 122294587 is about 11058.6883037727. The cubic root of 122294587 is about 496.3664411305.

The spelling of 122294587 in words is "one hundred twenty-two million, two hundred ninety-four thousand, five hundred eighty-seven".