42061122 has 24 divisors (see below), whose sum is σ = 91793520. Its totient is φ = 13918680.

The previous prime is 42061091. The next prime is 42061139. The reversal of 42061122 is 22116024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42061095 and 42061104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5904 + ... + 10907.

It is an arithmetic number, because the mean of its divisors is an integer number (3824730).

Almost surely, 2^42061122 is an apocalyptic number.

42061122 is an abundant number, since it is smaller than the sum of its proper divisors (49732398).

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

42061122 is a wasteful number, since it uses less digits than its factorization.

42061122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16958 (or 16955 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 42061122 is about 6485.4546486734. The cubic root of 42061122 is about 347.7712031551.

Adding to 42061122 its reverse (22116024), we get a palindrome (64177146).

The spelling of 42061122 in words is "forty-two million, sixty-one thousand, one hundred twenty-two".