1481138047 has 2 divisors, whose sum is σ = 1481138048. Its totient is φ = 1481138046.

The previous prime is 1481138017. The next prime is 1481138059. The reversal of 1481138047 is 7408311841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1481138047 - 2⁷ = 1481137919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1481137997 and 1481138015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481138017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740569023 + 740569024.

It is an arithmetic number, because the mean of its divisors is an integer number (740569024).

Almost surely, 2^1481138047 is an apocalyptic number.

1481138047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481138047 is an equidigital number, since it uses as much as digits as its factorization.

1481138047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 1481138047 is about 38485.5563426073. The cubic root of 1481138047 is about 1139.8958679379.

Adding to 1481138047 its reverse (7408311841), we get a palindrome (8889449888).

The spelling of 1481138047 in words is "one billion, four hundred eighty-one million, one hundred thirty-eight thousand, forty-seven".