1275360655 has 48 divisors (see below), whose sum is σ = 1733153760. Its totient is φ = 897583104.

The previous prime is 1275360641. The next prime is 1275360679. The reversal of 1275360655 is 5560635721.

It is not a de Polignac number, because 1275360655 - 2²¹ = 1273263503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2730732 + ... + 2731198.

It is an arithmetic number, because the mean of its divisors is an integer number (36107370).

Almost surely, 2^1275360655 is an apocalyptic number.

1275360655 is a deficient number, since it is larger than the sum of its proper divisors (457793105).

1275360655 is a wasteful number, since it uses less digits than its factorization.

1275360655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 1275360655 is about 35712.1919657699. The cubic root of 1275360655 is about 1084.4536752790.

The spelling of 1275360655 in words is "one billion, two hundred seventy-five million, three hundred sixty thousand, six hundred fifty-five".