941814721 has 3 divisors (see below), whose sum is σ = 941845411. Its totient is φ = 941784032.

The previous prime is 941814677. The next prime is 941814791. The reversal of 941814721 is 127418149.

The square root of 941814721 is 30689.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 127418149 = 881 ⋅144629.

It can be written as a sum of positive squares in only one way, i.e., 933974721 + 7840000 = 30561^2 + 2800^2 .

It is not a de Polignac number, because 941814721 - 2¹³ = 941806529 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (941814791) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15345 + ... + 46033.

Almost surely, 2^941814721 is an apocalyptic number.

941814721 is the 30689-th square number.

941814721 is the 15345-th centered octagonal number.

It is an amenable number.

941814721 is a deficient number, since it is larger than the sum of its proper divisors (30690).

941814721 is an frugal number, since it uses more digits than its factorization.

941814721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61378 (or 30689 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The cubic root of 941814721 is about 980.2160848651.

The spelling of 941814721 in words is "nine hundred forty-one million, eight hundred fourteen thousand, seven hundred twenty-one".