122763563 has 4 divisors (see below), whose sum is σ = 132206928. Its totient is φ = 113320200.

The previous prime is 122763547. The next prime is 122763593. The reversal of 122763563 is 365367221.

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

It is a cyclic number.

It is not a de Polignac number, because 122763563 - 2⁴ = 122763547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122763523) 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, 4721663 + ... + 4721688.

It is an arithmetic number, because the mean of its divisors is an integer number (33051732).

Almost surely, 2^122763563 is an apocalyptic number.

122763563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122763563 is a deficient number, since it is larger than the sum of its proper divisors (9443365).

122763563 is an equidigital number, since it uses as much as digits as its factorization.

122763563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9443364.

The product of its digits is 45360, while the sum is 35.

The square root of 122763563 is about 11079.8719757947. The cubic root of 122763563 is about 497.0001214530. Note that the first 3 decimals are identical.

The spelling of 122763563 in words is "one hundred twenty-two million, seven hundred sixty-three thousand, five hundred sixty-three".