121302013 has 8 divisors (see below), whose sum is σ = 138716928. Its totient is φ = 103908624.

The previous prime is 121301989. The next prime is 121302019. The reversal of 121302013 is 310203121.

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 121302013 - 2⁵ = 121301981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121301984 and 121302002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121302019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9420 + ... + 18202.

It is an arithmetic number, because the mean of its divisors is an integer number (17339616).

Almost surely, 2^121302013 is an apocalyptic number.

It is an amenable number.

121302013 is a deficient number, since it is larger than the sum of its proper divisors (17414915).

121302013 is an equidigital number, since it uses as much as digits as its factorization.

121302013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10763.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 121302013 is about 11013.7193082083. The cubic root of 121302013 is about 495.0199128132.

Adding to 121302013 its reverse (310203121), we get a palindrome (431505134).

The spelling of 121302013 in words is "one hundred twenty-one million, three hundred two thousand, thirteen".