1052890 has 16 divisors (see below), whose sum is σ = 1908000. Its totient is φ = 418320.

The previous prime is 1052881. The next prime is 1052893. The reversal of 1052890 is 982501.

It is a super-2 number, since 2×1052890² = 2217154704200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1861 + ... + 2359.

It is an arithmetic number, because the mean of its divisors is an integer number (119250).

2^1052890 is an apocalyptic number.

1052890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1052890 is a deficient number, since it is larger than the sum of its proper divisors (855110).

1052890 is a wasteful number, since it uses less digits than its factorization.

1052890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1052890 is about 1026.1042831993. The cubic root of 1052890 is about 101.7328005910.

It can be divided in two parts, 10 and 52890, that added together give a square (52900 = 230²).

The spelling of 1052890 in words is "one million, fifty-two thousand, eight hundred ninety".