121112041 has 4 divisors (see below), whose sum is σ = 121231684. Its totient is φ = 120992400.

The previous prime is 121112039. The next prime is 121112077. The reversal of 121112041 is 140211121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140211121 = 17 ⋅8247713.

It can be written as a sum of positive squares in 2 ways, for example, as 72182016 + 48930025 = 8496^2 + 6995^2 .

It is a cyclic number.

It is not a de Polignac number, because 121112041 - 2¹ = 121112039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121112011) 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 3 ways as a sum of consecutive naturals, for example, 58290 + ... + 60331.

It is an arithmetic number, because the mean of its divisors is an integer number (30307921).

Almost surely, 2^121112041 is an apocalyptic number.

It is an amenable number.

121112041 is a deficient number, since it is larger than the sum of its proper divisors (119643).

121112041 is a wasteful number, since it uses less digits than its factorization.

121112041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119642.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 121112041 is about 11005.0915943485. The cubic root of 121112041 is about 494.7613596490.

Adding to 121112041 its reverse (140211121), we get a palindrome (261323162).

The spelling of 121112041 in words is "one hundred twenty-one million, one hundred twelve thousand, forty-one".