10405042 has 4 divisors (see below), whose sum is σ = 15607566. Its totient is φ = 5202520.

The previous prime is 10405019. The next prime is 10405049. The reversal of 10405042 is 24050401.

10405042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 5948721 + 4456321 = 2439^2 + 2111^2 .

It is not an unprimeable number, because it can be changed into a prime (10405049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2601259 + ... + 2601262.

Almost surely, 2^10405042 is an apocalyptic number.

10405042 is a deficient number, since it is larger than the sum of its proper divisors (5202524).

10405042 is an equidigital number, since it uses as much as digits as its factorization.

10405042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202523.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 10405042 is about 3225.6847335101. The cubic root of 10405042 is about 218.3138452910.

Adding to 10405042 its reverse (24050401), we get a palindrome (34455443).

The spelling of 10405042 in words is "ten million, four hundred five thousand, forty-two".