1281870483 has 8 divisors (see below), whose sum is σ = 1713222096. Its totient is φ = 852549600.

The previous prime is 1281870481. The next prime is 1281870493. The reversal of 1281870483 is 3840781821.

1281870483 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1281870483 - 2¹ = 1281870481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1281870481) 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, 506208 + ... + 508733.

It is an arithmetic number, because the mean of its divisors is an integer number (214152762).

Almost surely, 2^1281870483 is an apocalyptic number.

1281870483 is a deficient number, since it is larger than the sum of its proper divisors (431351613).

1281870483 is a wasteful number, since it uses less digits than its factorization.

1281870483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015365.

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 1281870483 is about 35803.2188916025. The cubic root of 1281870483 is about 1086.2956717263.

The spelling of 1281870483 in words is "one billion, two hundred eighty-one million, eight hundred seventy thousand, four hundred eighty-three".