1052520 has 96 divisors (see below), whose sum is σ = 3693600. Its totient is φ = 239232.

The previous prime is 1052489. The next prime is 1052531. The reversal of 1052520 is 252501.

It is a super-2 number, since 2×1052520² = 2215596700800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1052520.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5791 + ... + 5969.

It is an arithmetic number, because the mean of its divisors is an integer number (38475).

2^1052520 is an apocalyptic number.

1052520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1052520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1846800).

1052520 is an abundant number, since it is smaller than the sum of its proper divisors (2641080).

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

1052520 is a wasteful number, since it uses less digits than its factorization.

1052520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 1052520 is about 1025.9239737914. The cubic root of 1052520 is about 101.7208824273.

The spelling of 1052520 in words is "one million, fifty-two thousand, five hundred twenty".