1052290 has 8 divisors (see below), whose sum is σ = 1894140. Its totient is φ = 420912.

The previous prime is 1052287. The next prime is 1052299. The reversal of 1052290 is 922501.

It can be written as a sum of positive squares in 2 ways, for example, as 998001 + 54289 = 999^2 + 233^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1052290² = 2214628488200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52605 + ... + 52624.

2^1052290 is an apocalyptic number.

1052290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1052290 is a deficient number, since it is larger than the sum of its proper divisors (841850).

1052290 is a wasteful number, since it uses less digits than its factorization.

1052290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105236.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1052290 is about 1025.8118735909. The cubic root of 1052290 is about 101.7134724311.

Adding to 1052290 its reverse (922501), we get a palindrome (1974791).

The spelling of 1052290 in words is "one million, fifty-two thousand, two hundred ninety".