1256948 has 54 divisors (see below), whose sum is σ = 2865618. Its totient is φ = 480480.
The previous prime is 1256939. The next prime is 1256953. The reversal of 1256948 is 8496521.
It can be written as a sum of positive squares in only one way, i.e., 1162084 + 94864 = 1078^2 + 308^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23690 + ... + 23742.
It is an arithmetic number, because the mean of its divisors is an integer number (53067).
21256948 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 1256948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432809).
1256948 is an abundant number, since it is smaller than the sum of its proper divisors (1608670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1256948 is a wasteful number, since it uses less digits than its factorization.
1256948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93 (or 73 counting only the distinct ones).
The product of its digits is 17280, while the sum is 35.
The square root of 1256948 is about 1121.1369229492. The cubic root of 1256948 is about 107.9209526745.
The spelling of 1256948 in words is "one million, two hundred fifty-six thousand, nine hundred forty-eight".
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