1255038238 has 16 divisors (see below), whose sum is σ = 1911968784. Its totient is φ = 617728320.

The previous prime is 1255038199. The next prime is 1255038247. The reversal of 1255038238 is 8328305521.

It is a junction number, because it is equal to n+sod(n) for n = 1255038197 and 1255038206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295506 + ... + 299722.

It is an arithmetic number, because the mean of its divisors is an integer number (119498049).

Almost surely, 2^1255038238 is an apocalyptic number.

1255038238 is a deficient number, since it is larger than the sum of its proper divisors (656930546).

1255038238 is a wasteful number, since it uses less digits than its factorization.

1255038238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6507.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 1255038238 is about 35426.5188524077. The cubic root of 1255038238 is about 1078.6626788653.

The spelling of 1255038238 in words is "one billion, two hundred fifty-five million, thirty-eight thousand, two hundred thirty-eight".