1481276117 has 2 divisors, whose sum is σ = 1481276118. Its totient is φ = 1481276116.

The previous prime is 1481276099. The next prime is 1481276129. The reversal of 1481276117 is 7116721841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1407075121 + 74200996 = 37511^2 + 8614^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481276117 - 2¹² = 1481272021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481276197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740638058 + 740638059.

It is an arithmetic number, because the mean of its divisors is an integer number (740638059).

Almost surely, 2^1481276117 is an apocalyptic number.

It is an amenable number.

1481276117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481276117 is an equidigital number, since it uses as much as digits as its factorization.

1481276117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 38.

The square root of 1481276117 is about 38487.3500906467. The cubic root of 1481276117 is about 1139.9312867684.

Adding to 1481276117 its reverse (7116721841), we get a palindrome (8597997958).

The spelling of 1481276117 in words is "one billion, four hundred eighty-one million, two hundred seventy-six thousand, one hundred seventeen".