1262556 has 36 divisors (see below), whose sum is σ = 3380832. Its totient is φ = 395904.

The previous prime is 1262543. The next prime is 1262557. The reversal of 1262556 is 6552621.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1262557) 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 11 ways as a sum of consecutive naturals, for example, 420 + ... + 1643.

It is an arithmetic number, because the mean of its divisors is an integer number (93912).

2^1262556 is an apocalyptic number.

It is an amenable number.

1262556 is an abundant number, since it is smaller than the sum of its proper divisors (2118276).

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

1262556 is a wasteful number, since it uses less digits than its factorization.

1262556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090 (or 2085 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1262556 is about 1123.6351721088. The cubic root of 1262556 is about 108.0812146325.

The spelling of 1262556 in words is "one million, two hundred sixty-two thousand, five hundred fifty-six".