1481271287 has 4 divisors (see below), whose sum is σ = 1506377640. Its totient is φ = 1456164936.

The previous prime is 1481271269. The next prime is 1481271301. The reversal of 1481271287 is 7821721841.

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 1481271287 - 2¹⁶ = 1481205751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481271257) 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, 12553088 + ... + 12553205.

It is an arithmetic number, because the mean of its divisors is an integer number (376594410).

Almost surely, 2^1481271287 is an apocalyptic number.

1481271287 is a deficient number, since it is larger than the sum of its proper divisors (25106353).

1481271287 is an equidigital number, since it uses as much as digits as its factorization.

1481271287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25106352.

The product of its digits is 50176, while the sum is 41.

The square root of 1481271287 is about 38487.2873427058. The cubic root of 1481271287 is about 1139.9300477750.

The spelling of 1481271287 in words is "one billion, four hundred eighty-one million, two hundred seventy-one thousand, two hundred eighty-seven".