120143030 has 32 divisors (see below), whose sum is σ = 257900544. Its totient is φ = 39400416.

The previous prime is 120143017. The next prime is 120143041. The reversal of 120143030 is 30341021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120142996 and 120143014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35702 + ... + 38921.

It is an arithmetic number, because the mean of its divisors is an integer number (8059392).

Almost surely, 2^120143030 is an apocalyptic number.

120143030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120143030 is an abundant number, since it is smaller than the sum of its proper divisors (137757514).

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

120143030 is a wasteful number, since it uses less digits than its factorization.

120143030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74660.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 120143030 is about 10960.9776023857. The cubic root of 120143030 is about 493.4383050101.

Adding to 120143030 its reverse (30341021), we get a palindrome (150484051).

The spelling of 120143030 in words is "one hundred twenty million, one hundred forty-three thousand, thirty".