120203442 has 12 divisors (see below), whose sum is σ = 260440830. Its totient is φ = 40067808.

The previous prime is 120203441. The next prime is 120203449. The reversal of 120203442 is 244302021.

120203442 is a `hidden beast` number, since 1 + 20 + 203 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 114254721 + 5948721 = 10689^2 + 2439^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6677969 = 120203442 / (1 + 2 + 0 + 2 + 0 + 3 + 4 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (120203441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3338967 + ... + 3339002.

Almost surely, 2^120203442 is an apocalyptic number.

120203442 is an abundant number, since it is smaller than the sum of its proper divisors (140237388).

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

120203442 is a wasteful number, since it uses less digits than its factorization.

120203442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677977 (or 6677974 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 120203442 is about 10963.7330321383. The cubic root of 120203442 is about 493.5209970033.

Adding to 120203442 its reverse (244302021), we get a palindrome (364505463).

The spelling of 120203442 in words is "one hundred twenty million, two hundred three thousand, four hundred forty-two".