121306141 has 8 divisors (see below), whose sum is σ = 132422400. Its totient is φ = 110204640.

The previous prime is 121306103. The next prime is 121306147. The reversal of 121306141 is 141603121.

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 121306141 - 2⁹ = 121305629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121306147) 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 7 ways as a sum of consecutive naturals, for example, 20340 + ... + 25618.

It is an arithmetic number, because the mean of its divisors is an integer number (16552800).

Almost surely, 2^121306141 is an apocalyptic number.

121306141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121306141 is a deficient number, since it is larger than the sum of its proper divisors (11116259).

121306141 is a wasteful number, since it uses less digits than its factorization.

121306141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7379.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 121306141 is about 11013.9067092472. The cubic root of 121306141 is about 495.0255280512.

Adding to 121306141 its reverse (141603121), we get a palindrome (262909262).

The spelling of 121306141 in words is "one hundred twenty-one million, three hundred six thousand, one hundred forty-one".