42702122 has 8 divisors (see below), whose sum is σ = 66838176. Its totient is φ = 20422732.

The previous prime is 42702083. The next prime is 42702137. The reversal of 42702122 is 22120724.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42702094 and 42702103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464108 + ... + 464199.

It is an arithmetic number, because the mean of its divisors is an integer number (8354772).

Almost surely, 2^42702122 is an apocalyptic number.

42702122 is a deficient number, since it is larger than the sum of its proper divisors (24136054).

42702122 is a wasteful number, since it uses less digits than its factorization.

42702122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928332.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 42702122 is about 6534.6860674404. The cubic root of 42702122 is about 349.5289499918.

Adding to 42702122 its reverse (22120724), we get a palindrome (64822846).

It can be divided in two parts, 42702 and 122, that added together give a palindrome (42824).

The spelling of 42702122 in words is "forty-two million, seven hundred two thousand, one hundred twenty-two".