1259040 has 96 divisors (see below), whose sum is σ = 4124736. Its totient is φ = 322560.

The previous prime is 1259039. The next prime is 1259047. The reversal of 1259040 is 409521.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 1258998 and 1259016.

It is not an unprimeable number, because it can be changed into a prime (1259047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20610 + ... + 20670.

It is an arithmetic number, because the mean of its divisors is an integer number (42966).

2^1259040 is an apocalyptic number.

1259040 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 1259040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2062368).

1259040 is an abundant number, since it is smaller than the sum of its proper divisors (2865696).

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

1259040 is a wasteful number, since it uses less digits than its factorization.

1259040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1259040 is about 1122.0695165630. The cubic root of 1259040 is about 107.9807921945.

The spelling of 1259040 in words is "one million, two hundred fifty-nine thousand, forty".