1004132981 has 2 divisors, whose sum is σ = 1004132982. Its totient is φ = 1004132980.

The previous prime is 1004132971. The next prime is 1004132989. The reversal of 1004132981 is 1892314001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 938441956 + 65691025 = 30634^2 + 8105^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004132981 - 2¹⁰ = 1004131957 is a prime.

It is a super-2 number, since 2×1004132981² = 2016566087063892722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004132989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502066490 + 502066491.

It is an arithmetic number, because the mean of its divisors is an integer number (502066491).

Almost surely, 2^1004132981 is an apocalyptic number.

It is an amenable number.

1004132981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004132981 is an equidigital number, since it uses as much as digits as its factorization.

1004132981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1004132981 is about 31688.0573876027. The cubic root of 1004132981 is about 1001.3757667312.

Adding to 1004132981 its reverse (1892314001), we get a palindrome (2896446982).

The spelling of 1004132981 in words is "one billion, four million, one hundred thirty-two thousand, nine hundred eighty-one".