1255760 has 40 divisors (see below), whose sum is σ = 3187296. Its totient is φ = 456320.

The previous prime is 1255759. The next prime is 1255799. The reversal of 1255760 is 675521.

1255760 = T₂₆₄ + T₂₆₅ + ... + T₂₉₅.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167 + ... + 1593.

2^1255760 is an apocalyptic number.

1255760 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 1255760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1593648).

1255760 is an abundant number, since it is smaller than the sum of its proper divisors (1931536).

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

1255760 is a wasteful number, since it uses less digits than its factorization.

1255760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451 (or 1445 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 1255760 is about 1120.6069783827. The cubic root of 1255760 is about 107.8869415870.

It can be divided in two parts, 125 and 5760, that added together give a palindrome (5885).

The spelling of 1255760 in words is "one million, two hundred fifty-five thousand, seven hundred sixty".