1201256 has 32 divisors (see below), whose sum is σ = 2712000. Its totient is φ = 487296.

The previous prime is 1201247. The next prime is 1201261. The reversal of 1201256 is 6521021.

It is a super-3 number, since 3×1201256³ = 5200294803332955648, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500 + ... + 1628.

It is an arithmetic number, because the mean of its divisors is an integer number (84750).

2^1201256 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 1201256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356000).

1201256 is an abundant number, since it is smaller than the sum of its proper divisors (1510744).

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

1201256 is a wasteful number, since it uses less digits than its factorization.

1201256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1201256 is about 1096.0182480233. The cubic root of 1201256 is about 106.3029189675.

Adding to 1201256 its reverse (6521021), we get a palindrome (7722277).

The spelling of 1201256 in words is "one million, two hundred one thousand, two hundred fifty-six".