971256 has 64 divisors (see below), whose sum is σ = 2862720. Its totient is φ = 270720.

The previous prime is 971251. The next prime is 971263. The reversal of 971256 is 652179.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3291 + ... + 3573.

It is an arithmetic number, because the mean of its divisors is an integer number (44730).

2⁹⁷¹²⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 971256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431360).

971256 is an abundant number, since it is smaller than the sum of its proper divisors (1891464).

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

971256 is a wasteful number, since it uses less digits than its factorization.

971256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 312 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 971256 is about 985.5232112944. The cubic root of 971256 is about 99.0325370045.

The spelling of 971256 in words is "nine hundred seventy-one thousand, two hundred fifty-six".