1281472883 has 4 divisors (see below), whose sum is σ = 1281845760. Its totient is φ = 1281100008.

The previous prime is 1281472867. The next prime is 1281472891. The reversal of 1281472883 is 3882741821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1281472883 - 2⁴ = 1281472867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1281472483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181235 + ... + 188172.

It is an arithmetic number, because the mean of its divisors is an integer number (320461440).

Almost surely, 2^1281472883 is an apocalyptic number.

1281472883 is a deficient number, since it is larger than the sum of its proper divisors (372877).

1281472883 is an equidigital number, since it uses as much as digits as its factorization.

1281472883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372876.

The product of its digits is 172032, while the sum is 44.

The square root of 1281472883 is about 35797.6658875966. The cubic root of 1281472883 is about 1086.1833473722.

The spelling of 1281472883 in words is "one billion, two hundred eighty-one million, four hundred seventy-two thousand, eight hundred eighty-three".