1275068377 has 4 divisors (see below), whose sum is σ = 1390983696. Its totient is φ = 1159153060.

The previous prime is 1275068369. The next prime is 1275068387. The reversal of 1275068377 is 7738605721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1275068377 - 2³ = 1275068369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1275068387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57957643 + ... + 57957664.

It is an arithmetic number, because the mean of its divisors is an integer number (347745924).

Almost surely, 2^1275068377 is an apocalyptic number.

It is an amenable number.

1275068377 is a deficient number, since it is larger than the sum of its proper divisors (115915319).

1275068377 is a wasteful number, since it uses less digits than its factorization.

1275068377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115915318.

The product of its (nonzero) digits is 493920, while the sum is 46.

The square root of 1275068377 is about 35708.0995993906. The cubic root of 1275068377 is about 1084.3708265135.

The spelling of 1275068377 in words is "one billion, two hundred seventy-five million, sixty-eight thousand, three hundred seventy-seven".