1025042 has 4 divisors (see below), whose sum is σ = 1537566. Its totient is φ = 512520.

The previous prime is 1025039. The next prime is 1025047. The reversal of 1025042 is 2405201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2405201 = 1531 ⋅1571.

It can be written as a sum of positive squares in only one way, i.e., 564001 + 461041 = 751^2 + 679^2 .

It is a super-2 number, since 2×1025042² = 2101422203528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1025047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256259 + ... + 256262.

2^1025042 is an apocalyptic number.

1025042 is a deficient number, since it is larger than the sum of its proper divisors (512524).

1025042 is an equidigital number, since it uses as much as digits as its factorization.

1025042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512523.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1025042 is about 1012.4435786749. The cubic root of 1025042 is about 100.8278608843.

It can be divided in two parts, 10 and 25042, that added together give a palindrome (25052).

The spelling of 1025042 in words is "one million, twenty-five thousand, forty-two".