121220302 has 16 divisors (see below), whose sum is σ = 220030560. Its totient is φ = 48895488.

The previous prime is 121220293. The next prime is 121220303. The reversal of 121220302 is 203022121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121220303) 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, 254427 + ... + 254902.

It is an arithmetic number, because the mean of its divisors is an integer number (13751910).

Almost surely, 2^121220302 is an apocalyptic number.

121220302 is a deficient number, since it is larger than the sum of its proper divisors (98810258).

121220302 is a wasteful number, since it uses less digits than its factorization.

121220302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509355.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 121220302 is about 11010.0091734748. The cubic root of 121220302 is about 494.9087367033.

Adding to 121220302 its reverse (203022121), we get a palindrome (324242423).

The spelling of 121220302 in words is "one hundred twenty-one million, two hundred twenty thousand, three hundred two".