1052240 has 40 divisors (see below), whose sum is σ = 2797440. Its totient is φ = 360576.

The previous prime is 1052237. The next prime is 1052269. The reversal of 1052240 is 422501.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1052240² = 2214418035200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380 + ... + 1499.

It is an arithmetic number, because the mean of its divisors is an integer number (69936).

2^1052240 is an apocalyptic number.

1052240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052240 is an abundant number, since it is smaller than the sum of its proper divisors (1745200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1052240 is a wasteful number, since it uses less digits than its factorization.

1052240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1052240 is about 1025.7875023610. The cubic root of 1052240 is about 101.7118614195.

Adding to 1052240 its reverse (422501), we get a palindrome (1474741).

The spelling of 1052240 in words is "one million, fifty-two thousand, two hundred forty".