1381127255 has 4 divisors (see below), whose sum is σ = 1657352712. Its totient is φ = 1104901800.

The previous prime is 1381127201. The next prime is 1381127269. The reversal of 1381127255 is 5527211831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5527211831 = 127 ⋅43521353.

It is not a de Polignac number, because 1381127255 - 2³⁰ = 307385431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138112721 + ... + 138112730.

It is an arithmetic number, because the mean of its divisors is an integer number (414338178).

Almost surely, 2^1381127255 is an apocalyptic number.

1381127255 is a deficient number, since it is larger than the sum of its proper divisors (276225457).

1381127255 is an equidigital number, since it uses as much as digits as its factorization.

1381127255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276225456.

The product of its digits is 16800, while the sum is 35.

The square root of 1381127255 is about 37163.5204871659. The cubic root of 1381127255 is about 1113.6393424690.

The spelling of 1381127255 in words is "one billion, three hundred eighty-one million, one hundred twenty-seven thousand, two hundred fifty-five".