1052378 has 4 divisors (see below), whose sum is σ = 1578570. Its totient is φ = 526188.

The previous prime is 1052333. The next prime is 1052413. The reversal of 1052378 is 8732501.

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., 683929 + 368449 = 827^2 + 607^2 .

It is a super-2 number, since 2×1052378² = 2214998909768, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263093 + ... + 263096.

2^1052378 is an apocalyptic number.

1052378 is a deficient number, since it is larger than the sum of its proper divisors (526192).

1052378 is an equidigital number, since it uses as much as digits as its factorization.

1052378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526191.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1052378 is about 1025.8547655492. The cubic root of 1052378 is about 101.7163076876.

Adding to 1052378 its reverse (8732501), we get a palindrome (9784879).

It can be divided in two parts, 10523 and 78, that added together give a palindrome (10601).

The spelling of 1052378 in words is "one million, fifty-two thousand, three hundred seventy-eight".