1255711427 has 8 divisors (see below), whose sum is σ = 1310811936. Its totient is φ = 1200652992.

The previous prime is 1255711411. The next prime is 1255711441. The reversal of 1255711427 is 7241175521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1255711427 - 2⁴ = 1255711411 is a prime.

It is a super-2 number, since 2×1255711427² = 3153622375796752658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255711027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60863 + ... + 78839.

It is an arithmetic number, because the mean of its divisors is an integer number (163851492).

Almost surely, 2^1255711427 is an apocalyptic number.

1255711427 is a deficient number, since it is larger than the sum of its proper divisors (55100509).

1255711427 is a wasteful number, since it uses less digits than its factorization.

1255711427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21037.

The product of its digits is 19600, while the sum is 35.

The square root of 1255711427 is about 35436.0187803314. The cubic root of 1255711427 is about 1078.8555054090.

Adding to 1255711427 its reverse (7241175521), we get a palindrome (8496886948).

The spelling of 1255711427 in words is "one billion, two hundred fifty-five million, seven hundred eleven thousand, four hundred twenty-seven".