1262156 has 12 divisors (see below), whose sum is σ = 2524368. Its totient is φ = 540912.

The previous prime is 1262147. The next prime is 1262203. The reversal of 1262156 is 6512621.

1262156 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22511 + ... + 22566.

It is an arithmetic number, because the mean of its divisors is an integer number (210364).

2^1262156 is an apocalyptic number.

It is an amenable number.

1262156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1262156 is a wasteful number, since it uses less digits than its factorization.

1262156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45088 (or 45086 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 1262156 is about 1123.4571642924. The cubic root of 1262156 is about 108.0697994154.

Adding to 1262156 its reverse (6512621), we get a palindrome (7774777).

The spelling of 1262156 in words is "one million, two hundred sixty-two thousand, one hundred fifty-six".