122487663 has 4 divisors (see below), whose sum is σ = 163316888. Its totient is φ = 81658440.

The previous prime is 122487647. The next prime is 122487679. The reversal of 122487663 is 366784221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (122487647) and next prime (122487679).

It is not a de Polignac number, because 122487663 - 2⁴ = 122487647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122487163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20414608 + ... + 20414613.

It is an arithmetic number, because the mean of its divisors is an integer number (40829222).

Almost surely, 2^122487663 is an apocalyptic number.

122487663 is a deficient number, since it is larger than the sum of its proper divisors (40829225).

122487663 is an equidigital number, since it uses as much as digits as its factorization.

122487663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40829224.

The product of its digits is 96768, while the sum is 39.

The square root of 122487663 is about 11067.4144677065. The cubic root of 122487663 is about 496.6275212505.

The spelling of 122487663 in words is "one hundred twenty-two million, four hundred eighty-seven thousand, six hundred sixty-three".