122551503 has 8 divisors (see below), whose sum is σ = 164054016. Its totient is φ = 81375000.

The previous prime is 122551489. The next prime is 122551519. The reversal of 122551503 is 305155221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122551503 - 2⁶ = 122551439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122551553) 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 7 ways as a sum of consecutive naturals, for example, 80623 + ... + 82128.

It is an arithmetic number, because the mean of its divisors is an integer number (20506752).

Almost surely, 2^122551503 is an apocalyptic number.

122551503 is a deficient number, since it is larger than the sum of its proper divisors (41502513).

122551503 is a wasteful number, since it uses less digits than its factorization.

122551503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163005.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 122551503 is about 11070.2982344650. The cubic root of 122551503 is about 496.7137862497.

The spelling of 122551503 in words is "one hundred twenty-two million, five hundred fifty-one thousand, five hundred three".