1191882941 has 8 divisors (see below), whose sum is σ = 1209451320. Its totient is φ = 1174422528.

The previous prime is 1191882929. The next prime is 1191882953. The reversal of 1191882941 is 1492881911.

It is an interprime number because it is at equal distance from previous prime (1191882929) and next prime (1191882953).

It can be written as a sum of positive squares in 4 ways, for example, as 568631716 + 623251225 = 23846^2 + 24965^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1191882941 - 2⁶ = 1191882877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1191882892 and 1191882901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1191881941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4616 + ... + 49041.

It is an arithmetic number, because the mean of its divisors is an integer number (151181415).

Almost surely, 2^1191882941 is an apocalyptic number.

It is an amenable number.

1191882941 is a deficient number, since it is larger than the sum of its proper divisors (17568379).

1191882941 is an equidigital number, since it uses as much as digits as its factorization.

1191882941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53983.

The product of its digits is 41472, while the sum is 44.

The square root of 1191882941 is about 34523.6577001916. The cubic root of 1191882941 is about 1060.2571290899.

The spelling of 1191882941 in words is "one billion, one hundred ninety-one million, eight hundred eighty-two thousand, nine hundred forty-one".