1017881941 has 4 divisors (see below), whose sum is σ = 1018336384. Its totient is φ = 1017427500.

The previous prime is 1017881923. The next prime is 1017881957. The reversal of 1017881941 is 1491887101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1491887101 = 37 ⋅40321273.

It is a cyclic number.

It is not a de Polignac number, because 1017881941 - 2⁹ = 1017881429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1017881894 and 1017881903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1017881911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223845 + ... + 228346.

It is an arithmetic number, because the mean of its divisors is an integer number (254584096).

Almost surely, 2^1017881941 is an apocalyptic number.

It is an amenable number.

1017881941 is a deficient number, since it is larger than the sum of its proper divisors (454443).

1017881941 is an equidigital number, since it uses as much as digits as its factorization.

1017881941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454442.

The product of its (nonzero) digits is 16128, while the sum is 40.

The square root of 1017881941 is about 31904.2621133917. The cubic root of 1017881941 is about 1005.9254664968.

The spelling of 1017881941 in words is "one billion, seventeen million, eight hundred eighty-one thousand, nine hundred forty-one".