1275613055 has 8 divisors (see below), whose sum is σ = 1530928512. Its totient is φ = 1020361888.

The previous prime is 1275613049. The next prime is 1275613057. The reversal of 1275613055 is 5503165721.

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

It is a cyclic number.

It is not a de Polignac number, because 1275613055 - 2⁴ = 1275613039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275613057) 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, 62597 + ... + 80433.

It is an arithmetic number, because the mean of its divisors is an integer number (191366064).

Almost surely, 2^1275613055 is an apocalyptic number.

1275613055 is a deficient number, since it is larger than the sum of its proper divisors (255315457).

1275613055 is a wasteful number, since it uses less digits than its factorization.

1275613055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32145.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 1275613055 is about 35715.7255981171. The cubic root of 1275613055 is about 1084.5252100907.

Adding to 1275613055 its reverse (5503165721), we get a palindrome (6778778776).

The spelling of 1275613055 in words is "one billion, two hundred seventy-five million, six hundred thirteen thousand, fifty-five".