10018042 has 4 divisors (see below), whose sum is σ = 15027066. Its totient is φ = 5009020.

The previous prime is 10018039. The next prime is 10018061. The reversal of 10018042 is 24081001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9554281 + 463761 = 3091^2 + 681^2 .

It is a super-2 number, since 2×10018042² = 200722331027528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2504509 + ... + 2504512.

Almost surely, 2^10018042 is an apocalyptic number.

10018042 is a deficient number, since it is larger than the sum of its proper divisors (5009024).

10018042 is an equidigital number, since it uses as much as digits as its factorization.

10018042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009023.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 10018042 is about 3165.1290652989. The cubic root of 10018042 is about 215.5729588614.

Adding to 10018042 its reverse (24081001), we get a palindrome (34099043).

The spelling of 10018042 in words is "ten million, eighteen thousand, forty-two".