1047522 has 32 divisors (see below), whose sum is σ = 2448000. Its totient is φ = 298704.

The previous prime is 1047511. The next prime is 1047533. The reversal of 1047522 is 2257401.

It is an interprime number because it is at equal distance from previous prime (1047511) and next prime (1047533).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1804 + ... + 2312.

It is an arithmetic number, because the mean of its divisors is an integer number (76500).

2^1047522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1047522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224000).

1047522 is an abundant number, since it is smaller than the sum of its proper divisors (1400478).

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

1047522 is an equidigital number, since it uses as much as digits as its factorization.

1047522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1047522 is about 1023.4852221698. The cubic root of 1047522 is about 101.5596161864.

It can be divided in two parts, 104 and 7522, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 1047522 in words is "one million, forty-seven thousand, five hundred twenty-two".