1371028873 has 6 divisors (see below), whose sum is σ = 1433231114. Its totient is φ = 1311418416.

The previous prime is 1371028861. The next prime is 1371028931. The reversal of 1371028873 is 3788201731.

It can be written as a sum of positive squares in only one way, i.e., 1347477264 + 23551609 = 36708^2 + 4853^2 .

It is not a de Polignac number, because 1371028873 - 2²¹ = 1368931721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1371028823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1295340 + ... + 1296397.

Almost surely, 2^1371028873 is an apocalyptic number.

It is an amenable number.

1371028873 is a deficient number, since it is larger than the sum of its proper divisors (62202241).

1371028873 is an equidigital number, since it uses as much as digits as its factorization.

1371028873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591783 (or 2591760 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 1371028873 is about 37027.4070520743. The cubic root of 1371028873 is about 1110.9185030646.

The spelling of 1371028873 in words is "one billion, three hundred seventy-one million, twenty-eight thousand, eight hundred seventy-three".