120420030 has 16 divisors (see below), whose sum is σ = 289008144. Its totient is φ = 32112000.

The previous prime is 120420029. The next prime is 120420031. The reversal of 120420030 is 30024021.

It is an interprime number because it is at equal distance from previous prime (120420029) and next prime (120420031).

It is a junction number, because it is equal to n+sod(n) for n = 120419988 and 120420015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120420031) 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, 2006971 + ... + 2007030.

It is an arithmetic number, because the mean of its divisors is an integer number (18063009).

Almost surely, 2^120420030 is an apocalyptic number.

120420030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120420030 is an abundant number, since it is smaller than the sum of its proper divisors (168588114).

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

120420030 is a wasteful number, since it uses less digits than its factorization.

120420030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014011.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 120420030 is about 10973.6060618194. The cubic root of 120420030 is about 493.8172353027.

Adding to 120420030 its reverse (30024021), we get a palindrome (150444051).

The spelling of 120420030 in words is "one hundred twenty million, four hundred twenty thousand, thirty".