42122563 has 24 divisors (see below), whose sum is σ = 51694080. Its totient is φ = 33611760.

The previous prime is 42122537. The next prime is 42122573. The reversal of 42122563 is 36522124.

It is not a de Polignac number, because 42122563 - 2⁹ = 42122051 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 (42122573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199528 + ... + 199738.

It is an arithmetic number, because the mean of its divisors is an integer number (2153920).

Almost surely, 2^42122563 is an apocalyptic number.

42122563 is a deficient number, since it is larger than the sum of its proper divisors (9571517).

42122563 is a wasteful number, since it uses less digits than its factorization.

42122563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 316 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 42122563 is about 6490.1897506930. The cubic root of 42122563 is about 347.9404569594.

Adding to 42122563 its reverse (36522124), we get a palindrome (78644687).

The spelling of 42122563 in words is "forty-two million, one hundred twenty-two thousand, five hundred sixty-three".