1471103981 has 2 divisors, whose sum is σ = 1471103982. Its totient is φ = 1471103980.

The previous prime is 1471103927. The next prime is 1471104007. The reversal of 1471103981 is 1893011741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1137712900 + 333391081 = 33730^2 + 18259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1471103981 is a prime.

It is a super-2 number, since 2×1471103981² = 4328293845828096722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1471103911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735551990 + 735551991.

It is an arithmetic number, because the mean of its divisors is an integer number (735551991).

Almost surely, 2^1471103981 is an apocalyptic number.

It is an amenable number.

1471103981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1471103981 is an equidigital number, since it uses as much as digits as its factorization.

1471103981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 35.

The square root of 1471103981 is about 38354.9733541819. The cubic root of 1471103981 is about 1137.3159336027.

The spelling of 1471103981 in words is "one billion, four hundred seventy-one million, one hundred three thousand, nine hundred eighty-one".