121215041 has 16 divisors (see below), whose sum is σ = 132840000. Its totient is φ = 110166336.

The previous prime is 121215019. The next prime is 121215043. The reversal of 121215041 is 140512121.

It is a cyclic number.

It is not a de Polignac number, because 121215041 - 2¹⁰ = 121214017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121215043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98015 + ... + 99243.

It is an arithmetic number, because the mean of its divisors is an integer number (8302500).

Almost surely, 2^121215041 is an apocalyptic number.

It is an amenable number.

121215041 is a deficient number, since it is larger than the sum of its proper divisors (11624959).

121215041 is a wasteful number, since it uses less digits than its factorization.

121215041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 121215041 is about 11009.7702519172. The cubic root of 121215041 is about 494.9015768671.

Adding to 121215041 its reverse (140512121), we get a palindrome (261727162).

The spelling of 121215041 in words is "one hundred twenty-one million, two hundred fifteen thousand, forty-one".