121611301 has 4 divisors (see below), whose sum is σ = 138984352. Its totient is φ = 104238252.

The previous prime is 121611277. The next prime is 121611311. The reversal of 121611301 is 103116121.

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 not a de Polignac number, because 121611301 - 2¹⁵ = 121578533 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 (121611311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8686515 + ... + 8686528.

It is an arithmetic number, because the mean of its divisors is an integer number (34746088).

Almost surely, 2^121611301 is an apocalyptic number.

It is an amenable number.

121611301 is a deficient number, since it is larger than the sum of its proper divisors (17373051).

121611301 is an equidigital number, since it uses as much as digits as its factorization.

121611301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17373050.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 121611301 is about 11027.7514027113. The cubic root of 121611301 is about 495.4402789566.

Adding to 121611301 its reverse (103116121), we get a palindrome (224727422).

The spelling of 121611301 in words is "one hundred twenty-one million, six hundred eleven thousand, three hundred one".