42103042 has 16 divisors (see below), whose sum is σ = 64308960. Its totient is φ = 20669472.

The previous prime is 42102979. The next prime is 42103043. The reversal of 42103042 is 24030124.

It is a super-2 number, since 2×42103042² = 3545332291307528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42103043) 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, 40809 + ... + 41827.

It is an arithmetic number, because the mean of its divisors is an integer number (4019310).

Almost surely, 2^42103042 is an apocalyptic number.

42103042 is a deficient number, since it is larger than the sum of its proper divisors (22205918).

42103042 is a wasteful number, since it uses less digits than its factorization.

42103042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42103042 is about 6488.6856912629. The cubic root of 42103042 is about 347.8866995850.

Adding to 42103042 its reverse (24030124), we get a palindrome (66133166).

The spelling of 42103042 in words is "forty-two million, one hundred three thousand, forty-two".