1296375055 has 8 divisors (see below), whose sum is σ = 1556358912. Its totient is φ = 1036627488.

The previous prime is 1296375049. The next prime is 1296375079. The reversal of 1296375055 is 5505736921.

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 1296375055 - 2¹¹ = 1296373007 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 7 ways as a sum of consecutive naturals, for example, 46767 + ... + 69136.

It is an arithmetic number, because the mean of its divisors is an integer number (194544864).

Almost surely, 2^1296375055 is an apocalyptic number.

1296375055 is a deficient number, since it is larger than the sum of its proper divisors (259983857).

1296375055 is a wasteful number, since it uses less digits than its factorization.

1296375055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118145.

The product of its (nonzero) digits is 283500, while the sum is 43.

The square root of 1296375055 is about 36005.2087204060. The cubic root of 1296375055 is about 1090.3775184202.

The spelling of 1296375055 in words is "one billion, two hundred ninety-six million, three hundred seventy-five thousand, fifty-five".