121305302 has 8 divisors (see below), whose sum is σ = 192661416. Its totient is φ = 57084832.

The previous prime is 121305299. The next prime is 121305407. The reversal of 121305302 is 203503121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121305302² = 29429952586622408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1783868 + ... + 1783935.

It is an arithmetic number, because the mean of its divisors is an integer number (24082677).

Almost surely, 2^121305302 is an apocalyptic number.

121305302 is a deficient number, since it is larger than the sum of its proper divisors (71356114).

121305302 is a wasteful number, since it uses less digits than its factorization.

121305302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567822.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 121305302 is about 11013.8686209706. The cubic root of 121305302 is about 495.0243867862.

Adding to 121305302 its reverse (203503121), we get a palindrome (324808423).

The spelling of 121305302 in words is "one hundred twenty-one million, three hundred five thousand, three hundred two".