122563534 has 4 divisors (see below), whose sum is σ = 183845304. Its totient is φ = 61281766.

The previous prime is 122563531. The next prime is 122563543. The reversal of 122563534 is 435365221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 122563496 and 122563505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122563531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30640882 + ... + 30640885.

It is an arithmetic number, because the mean of its divisors is an integer number (45961326).

Almost surely, 2^122563534 is an apocalyptic number.

122563534 is a deficient number, since it is larger than the sum of its proper divisors (61281770).

122563534 is an equidigital number, since it uses as much as digits as its factorization.

122563534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61281769.

The product of its digits is 21600, while the sum is 31.

The square root of 122563534 is about 11070.8416120907. The cubic root of 122563534 is about 496.7300400093.

The spelling of 122563534 in words is "one hundred twenty-two million, five hundred sixty-three thousand, five hundred thirty-four".