1324830981 has 16 divisors (see below), whose sum is σ = 1849829760. Its totient is φ = 841800960.

The previous prime is 1324830959. The next prime is 1324831003. The reversal of 1324830981 is 1890384231.

It is an interprime number because it is at equal distance from previous prime (1324830959) and next prime (1324831003).

It is not a de Polignac number, because 1324830981 - 2⁹ = 1324830469 is a prime.

It is a super-2 number, since 2×1324830981² = 3510354256434844722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324830901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14776 + ... + 53553.

It is an arithmetic number, because the mean of its divisors is an integer number (115614360).

Almost surely, 2^1324830981 is an apocalyptic number.

It is an amenable number.

1324830981 is a deficient number, since it is larger than the sum of its proper divisors (524998779).

1324830981 is a wasteful number, since it uses less digits than its factorization.

1324830981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68636.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1324830981 is about 36398.2277178436. The cubic root of 1324830981 is about 1098.2979133622.

The spelling of 1324830981 in words is "one billion, three hundred twenty-four million, eight hundred thirty thousand, nine hundred eighty-one".