1042138 has 16 divisors (see below), whose sum is σ = 1632960. Its totient is φ = 498400.

The previous prime is 1042133. The next prime is 1042141. The reversal of 1042138 is 8312401.

It is a super-2 number, since 2×1042138² = 2172103222088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1042133) 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, 5733 + ... + 5911.

It is an arithmetic number, because the mean of its divisors is an integer number (102060).

2^1042138 is an apocalyptic number.

1042138 is a deficient number, since it is larger than the sum of its proper divisors (590822).

1042138 is a wasteful number, since it uses less digits than its factorization.

1042138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1042138 is about 1020.8516052787. The cubic root of 1042138 is about 101.3853202583.

Adding to 1042138 its reverse (8312401), we get a palindrome (9354539).

The spelling of 1042138 in words is "one million, forty-two thousand, one hundred thirty-eight".