1325040 has 40 divisors (see below), whose sum is σ = 4108368. Its totient is φ = 353280.

The previous prime is 1325021. The next prime is 1325047. The reversal of 1325040 is 405231.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2521 + ... + 3000.

2^1325040 is an apocalyptic number.

1325040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325040 is an abundant number, since it is smaller than the sum of its proper divisors (2783328).

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

1325040 is a wasteful number, since it uses less digits than its factorization.

1325040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537 (or 5531 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1325040 is about 1151.1038180807. The cubic root of 1325040 is about 109.8355669927.

The spelling of 1325040 in words is "one million, three hundred twenty-five thousand, forty".