1275493017 has 8 divisors (see below), whose sum is σ = 1800696096. Its totient is φ = 800309312.

The previous prime is 1275493013. The next prime is 1275493019. The reversal of 1275493017 is 7103945721.

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 1275493017 - 2² = 1275493013 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1275493013) 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, 12504783 + ... + 12504884.

It is an arithmetic number, because the mean of its divisors is an integer number (225087012).

Almost surely, 2^1275493017 is an apocalyptic number.

1275493017 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1275493017 is a deficient number, since it is larger than the sum of its proper divisors (525203079).

1275493017 is a wasteful number, since it uses less digits than its factorization.

1275493017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25009687.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 1275493017 is about 35714.0450943323. The cubic root of 1275493017 is about 1084.4911902860.

The spelling of 1275493017 in words is "one billion, two hundred seventy-five million, four hundred ninety-three thousand, seventeen".