1052278 has 4 divisors (see below), whose sum is σ = 1578420. Its totient is φ = 526138.

The previous prime is 1052269. The next prime is 1052279. The reversal of 1052278 is 8722501.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1052278² = 2214577978568, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263068 + ... + 263071.

It is an arithmetic number, because the mean of its divisors is an integer number (394605).

2^1052278 is an apocalyptic number.

1052278 is a deficient number, since it is larger than the sum of its proper divisors (526142).

1052278 is an equidigital number, since it uses as much as digits as its factorization.

1052278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526141.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1052278 is about 1025.8060245485. The cubic root of 1052278 is about 101.7130857930.

Adding to 1052278 its reverse (8722501), we get a palindrome (9774779).

The spelling of 1052278 in words is "one million, fifty-two thousand, two hundred seventy-eight".