10218042 has 16 divisors (see below), whose sum is σ = 22706880. Its totient is φ = 3405996.

The previous prime is 10218041. The next prime is 10218059. The reversal of 10218042 is 24081201.

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

It is not an unprimeable number, because it can be changed into a prime (10218041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94558 + ... + 94665.

It is an arithmetic number, because the mean of its divisors is an integer number (1419180).

Almost surely, 2^10218042 is an apocalyptic number.

10218042 is an abundant number, since it is smaller than the sum of its proper divisors (12488838).

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

10218042 is a wasteful number, since it uses less digits than its factorization.

10218042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189234 (or 189228 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 10218042 is about 3196.5672212547. The cubic root of 10218042 is about 216.9980816299.

Adding to 10218042 its reverse (24081201), we get a palindrome (34299243).

The spelling of 10218042 in words is "ten million, two hundred eighteen thousand, forty-two".