120438430 has 16 divisors (see below), whose sum is σ = 247759200. Its totient is φ = 41293152.

The previous prime is 120438407. The next prime is 120438433. The reversal of 120438430 is 34834021.

It is a junction number, because it is equal to n+sod(n) for n = 120438395 and 120438404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120438433) 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, 860205 + ... + 860344.

It is an arithmetic number, because the mean of its divisors is an integer number (15484950).

Almost surely, 2^120438430 is an apocalyptic number.

120438430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120438430 is an abundant number, since it is smaller than the sum of its proper divisors (127320770).

120438430 is a wasteful number, since it uses less digits than its factorization.

120438430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720563.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 120438430 is about 10974.4444050713. Note that the first 4 decimals coincide. The cubic root of 120438430 is about 493.8423855327.

The spelling of 120438430 in words is "one hundred twenty million, four hundred thirty-eight thousand, four hundred thirty".