1481280191 has 2 divisors, whose sum is σ = 1481280192. Its totient is φ = 1481280190.

The previous prime is 1481280179. The next prime is 1481280209. The reversal of 1481280191 is 1910821841.

It is a weak prime.

It is an emirp because it is prime and its reverse (1910821841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1481280191 - 2²⁶ = 1414171327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481280131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740640095 + 740640096.

It is an arithmetic number, because the mean of its divisors is an integer number (740640096).

Almost surely, 2^1481280191 is an apocalyptic number.

1481280191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481280191 is an equidigital number, since it uses as much as digits as its factorization.

1481280191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 35.

The square root of 1481280191 is about 38487.4030170912. The cubic root of 1481280191 is about 1139.9323318304.

The spelling of 1481280191 in words is "one billion, four hundred eighty-one million, two hundred eighty thousand, one hundred ninety-one".