121642301 has 4 divisors (see below), whose sum is σ = 132700704. Its totient is φ = 110583900.

The previous prime is 121642291. The next prime is 121642307. The reversal of 121642301 is 103246121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121642301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121642307) 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, 5529185 + ... + 5529206.

It is an arithmetic number, because the mean of its divisors is an integer number (33175176).

Almost surely, 2^121642301 is an apocalyptic number.

121642301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121642301 is a deficient number, since it is larger than the sum of its proper divisors (11058403).

121642301 is a wasteful number, since it uses less digits than its factorization.

121642301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11058402.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 121642301 is about 11029.1568580740. The cubic root of 121642301 is about 495.4823730264.

Adding to 121642301 its reverse (103246121), we get a palindrome (224888422).

The spelling of 121642301 in words is "one hundred twenty-one million, six hundred forty-two thousand, three hundred one".