1047540 has 96 divisors (see below), whose sum is σ = 3386880. Its totient is φ = 239616.

The previous prime is 1047539. The next prime is 1047551. The reversal of 1047540 is 457401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13221 + ... + 13299.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2^1047540 is an apocalyptic number.

1047540 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 1047540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693440).

1047540 is an abundant number, since it is smaller than the sum of its proper divisors (2339340).

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

1047540 is a wasteful number, since it uses less digits than its factorization.

1047540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 119 counting only the distinct ones).

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

The square root of 1047540 is about 1023.4940156151. The cubic root of 1047540 is about 101.5601978965.

The spelling of 1047540 in words is "one million, forty-seven thousand, five hundred forty".