941121913 has 8 divisors (see below), whose sum is σ = 977285736. Its totient is φ = 905587200.

The previous prime is 941121893. The next prime is 941121919. The reversal of 941121913 is 319121149.

It can be written as a sum of positive squares in 4 ways, for example, as 204976489 + 736145424 = 14317^2 + 27132^2 .

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 941121913 - 2²¹ = 939024761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (941121919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154228 + ... + 160213.

It is an arithmetic number, because the mean of its divisors is an integer number (122160717).

Almost surely, 2^941121913 is an apocalyptic number.

It is an amenable number.

941121913 is a deficient number, since it is larger than the sum of its proper divisors (36163823).

941121913 is a wasteful number, since it uses less digits than its factorization.

941121913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314555.

The product of its digits is 1944, while the sum is 31.

The square root of 941121913 is about 30677.7103611075. The cubic root of 941121913 is about 979.9756737680.

The spelling of 941121913 in words is "nine hundred forty-one million, one hundred twenty-one thousand, nine hundred thirteen".