1941124881 has 4 divisors (see below), whose sum is σ = 2588166512. Its totient is φ = 1294083252.

The previous prime is 1941124837. The next prime is 1941124891. The reversal of 1941124881 is 1884211491.

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: 1884211491 = 3 ⋅628070497.

It is not a de Polignac number, because 1941124881 - 2⁶ = 1941124817 is a prime.

It is a super-2 number, since 2×1941124881² = 7535931607274528322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1941124891) 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, 323520811 + ... + 323520816.

It is an arithmetic number, because the mean of its divisors is an integer number (647041628).

Almost surely, 2^1941124881 is an apocalyptic number.

It is an amenable number.

1941124881 is a deficient number, since it is larger than the sum of its proper divisors (647041631).

1941124881 is an equidigital number, since it uses as much as digits as its factorization.

1941124881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647041630.

The product of its digits is 18432, while the sum is 39.

The square root of 1941124881 is about 44058.1987943220. The cubic root of 1941124881 is about 1247.4347136595.

The spelling of 1941124881 in words is "one billion, nine hundred forty-one million, one hundred twenty-four thousand, eight hundred eighty-one".