1052138 has 4 divisors (see below), whose sum is σ = 1578210. Its totient is φ = 526068.

The previous prime is 1052137. The next prime is 1052141. The reversal of 1052138 is 8312501.

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., 966289 + 85849 = 983^2 + 293^2 .

It is a super-2 number, since 2×1052138² = 2213988742088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263033 + ... + 263036.

2^1052138 is an apocalyptic number.

1052138 is a deficient number, since it is larger than the sum of its proper divisors (526072).

1052138 is an equidigital number, since it uses as much as digits as its factorization.

1052138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526071.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1052138 is about 1025.7377832565. The cubic root of 1052138 is about 101.7085747976.

Adding to 1052138 its reverse (8312501), we get a palindrome (9364639).

The spelling of 1052138 in words is "one million, fifty-two thousand, one hundred thirty-eight".