1249256 has 8 divisors (see below), whose sum is σ = 2342370. Its totient is φ = 624624.

The previous prime is 1249247. The next prime is 1249273. The reversal of 1249256 is 6529421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1060900 + 188356 = 1030^2 + 434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 78071 + ... + 78086.

2^1249256 is an apocalyptic number.

It is an amenable number.

1249256 is a deficient number, since it is larger than the sum of its proper divisors (1093114).

1249256 is a wasteful number, since it uses less digits than its factorization.

1249256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156163 (or 156159 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 1249256 is about 1117.7012123103. The cubic root of 1249256 is about 107.7003582679.

The spelling of 1249256 in words is "one million, two hundred forty-nine thousand, two hundred fifty-six".