122551763 has 4 divisors (see below), whose sum is σ = 125401848. Its totient is φ = 119701680.

The previous prime is 122551739. The next prime is 122551783. The reversal of 122551763 is 367155221.

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

It is a de Polignac number, because none of the positive numbers 2^k-122551763 is a prime.

It is a super-2 number, since 2×122551763² = 30037869228816338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122551703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1424978 + ... + 1425063.

It is an arithmetic number, because the mean of its divisors is an integer number (31350462).

Almost surely, 2^122551763 is an apocalyptic number.

122551763 is a deficient number, since it is larger than the sum of its proper divisors (2850085).

122551763 is an equidigital number, since it uses as much as digits as its factorization.

122551763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850084.

The product of its digits is 12600, while the sum is 32.

The square root of 122551763 is about 11070.3099775932. The cubic root of 122551763 is about 496.7141375183.

The spelling of 122551763 in words is "one hundred twenty-two million, five hundred fifty-one thousand, seven hundred sixty-three".