1270878045 has 8 divisors (see below), whose sum is σ = 2033404896. Its totient is φ = 677801616.

The previous prime is 1270878031. The next prime is 1270878053. The reversal of 1270878045 is 5408780721.

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

It is not a de Polignac number, because 1270878045 - 2⁶ = 1270877981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1270877988 and 1270878006.

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, 42362587 + ... + 42362616.

It is an arithmetic number, because the mean of its divisors is an integer number (254175612).

Almost surely, 2^1270878045 is an apocalyptic number.

1270878045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1270878045 is a deficient number, since it is larger than the sum of its proper divisors (762526851).

1270878045 is an equidigital number, since it uses as much as digits as its factorization.

1270878045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84725211.

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 1270878045 is about 35649.3765022616. The cubic root of 1270878045 is about 1083.1816457177.

The spelling of 1270878045 in words is "one billion, two hundred seventy million, eight hundred seventy-eight thousand, forty-five".