1255938 has 32 divisors (see below), whose sum is σ = 2764800. Its totient is φ = 378576.

The previous prime is 1255931. The next prime is 1255939. The reversal of 1255938 is 8395521.

It is an Ulam number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1255899 and 1255908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2383 + ... + 2861.

It is an arithmetic number, because the mean of its divisors is an integer number (86400).

2^1255938 is an apocalyptic number.

1255938 is an abundant number, since it is smaller than the sum of its proper divisors (1508862).

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

1255938 is a wasteful number, since it uses less digits than its factorization.

1255938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526.

The product of its digits is 10800, while the sum is 33.

The square root of 1255938 is about 1120.6863968122. The cubic root of 1255938 is about 107.8920388901.

The spelling of 1255938 in words is "one million, two hundred fifty-five thousand, nine hundred thirty-eight".