1257260 has 24 divisors (see below), whose sum is σ = 2713200. Its totient is φ = 489024.

The previous prime is 1257253. The next prime is 1257281. The reversal of 1257260 is 627521.

It is an unprimeable number.

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, 110 + ... + 1589.

It is an arithmetic number, because the mean of its divisors is an integer number (113050).

2^1257260 is an apocalyptic number.

1257260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1257260 is an abundant number, since it is smaller than the sum of its proper divisors (1455940).

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

1257260 is a wasteful number, since it uses less digits than its factorization.

1257260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745 (or 1743 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1257260 is about 1121.2760587830. The cubic root of 1257260 is about 107.9298813259.

The spelling of 1257260 in words is "one million, two hundred fifty-seven thousand, two hundred sixty".