120121402 has 8 divisors (see below), whose sum is σ = 180464256. Its totient is φ = 59966652.

The previous prime is 120121399. The next prime is 120121409. The reversal of 120121402 is 204121021.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (120121409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45418 + ... + 47989.

It is an arithmetic number, because the mean of its divisors is an integer number (22558032).

Almost surely, 2^120121402 is an apocalyptic number.

120121402 is a deficient number, since it is larger than the sum of its proper divisors (60342854).

120121402 is an equidigital number, since it uses as much as digits as its factorization.

120121402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94052.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 120121402 is about 10959.9909671496. The cubic root of 120121402 is about 493.4086938483.

Adding to 120121402 its reverse (204121021), we get a palindrome (324242423).

The spelling of 120121402 in words is "one hundred twenty million, one hundred twenty-one thousand, four hundred two".