42010122 has 32 divisors (see below), whose sum is σ = 104753664. Its totient is φ = 10911600.

The previous prime is 42010063. The next prime is 42010127. The reversal of 42010122 is 22101024.

It is a junction number, because it is equal to n+sod(n) for n = 42010098 and 42010107.

It is not an unprimeable number, because it can be changed into a prime (42010127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45004 + ... + 45927.

It is an arithmetic number, because the mean of its divisors is an integer number (3273552).

Almost surely, 2^42010122 is an apocalyptic number.

42010122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42010122 is an abundant number, since it is smaller than the sum of its proper divisors (62743542).

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

42010122 is a wasteful number, since it uses less digits than its factorization.

42010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90954.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 42010122 is about 6481.5215806167. The cubic root of 42010122 is about 347.6305863264.

Adding to 42010122 its reverse (22101024), we get a palindrome (64111146).

The spelling of 42010122 in words is "forty-two million, ten thousand, one hundred twenty-two".