120302121 has 32 divisors (see below), whose sum is σ = 176256000. Its totient is φ = 72742208.

The previous prime is 120302113. The next prime is 120302123. The reversal of 120302121 is 121203021.

It is not a de Polignac number, because 120302121 - 2³ = 120302113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120302097 and 120302106.

It is not an unprimeable number, because it can be changed into a prime (120302123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117550 + ... + 118568.

It is an arithmetic number, because the mean of its divisors is an integer number (5508000).

Almost surely, 2^120302121 is an apocalyptic number.

It is an amenable number.

120302121 is a deficient number, since it is larger than the sum of its proper divisors (55953879).

120302121 is a wasteful number, since it uses less digits than its factorization.

120302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 120302121 is about 10968.2323553068. The cubic root of 120302121 is about 493.6560093269.

Adding to 120302121 its reverse (121203021), we get a palindrome (241505142).

The spelling of 120302121 in words is "one hundred twenty million, three hundred two thousand, one hundred twenty-one".