42529122 has 12 divisors (see below), whose sum is σ = 92146470. Its totient is φ = 14176368.

The previous prime is 42529111. The next prime is 42529127. The reversal of 42529122 is 22192524.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38081241 + 4447881 = 6171^2 + 2109^2 .

It is not an unprimeable number, because it can be changed into a prime (42529127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1181347 + ... + 1181382.

Almost surely, 2^42529122 is an apocalyptic number.

42529122 is an abundant number, since it is smaller than the sum of its proper divisors (49617348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42529122 is a wasteful number, since it uses less digits than its factorization.

42529122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362737 (or 2362734 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 42529122 is about 6521.4355781530. The cubic root of 42529122 is about 349.0562931393.

The spelling of 42529122 in words is "forty-two million, five hundred twenty-nine thousand, one hundred twenty-two".