121420341 has 24 divisors (see below), whose sum is σ = 212232384. Its totient is φ = 65301120.

The previous prime is 121420339. The next prime is 121420349. The reversal of 121420341 is 143024121.

It is not a de Polignac number, because 121420341 - 2¹ = 121420339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121420349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55615 + ... + 57756.

It is an arithmetic number, because the mean of its divisors is an integer number (8843016).

Almost surely, 2^121420341 is an apocalyptic number.

It is an amenable number.

121420341 is a deficient number, since it is larger than the sum of its proper divisors (90812043).

121420341 is a wasteful number, since it uses less digits than its factorization.

121420341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113401 (or 113398 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 121420341 is about 11019.0898444472. The cubic root of 121420341 is about 495.1808216030.

Adding to 121420341 its reverse (143024121), we get a palindrome (264444462).

The spelling of 121420341 in words is "one hundred twenty-one million, four hundred twenty thousand, three hundred forty-one".