120142602 has 48 divisors (see below), whose sum is σ = 276276000. Its totient is φ = 39109392.

The previous prime is 120142601. The next prime is 120142619. The reversal of 120142602 is 206241021.

120142602 is a `hidden beast` number, since 1 + 20 + 1 + 42 + 602 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120142601) 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 23 ways as a sum of consecutive naturals, for example, 18024 + ... + 23772.

It is an arithmetic number, because the mean of its divisors is an integer number (5755750).

Almost surely, 2^120142602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120142602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138138000).

120142602 is an abundant number, since it is smaller than the sum of its proper divisors (156133398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120142602 is an equidigital number, since it uses as much as digits as its factorization.

120142602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5809 (or 5797 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 120142602 is about 10960.9580785623. The cubic root of 120142602 is about 493.4377190645.

Adding to 120142602 its reverse (206241021), we get a palindrome (326383623).

The spelling of 120142602 in words is "one hundred twenty million, one hundred forty-two thousand, six hundred two".