303120042 has 16 divisors (see below), whose sum is σ = 608043072. Its totient is φ = 100739520.

The previous prime is 303120023. The next prime is 303120049. The reversal of 303120042 is 240021303.

It is a super-3 number, since 3×303120042³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (303120049) 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 7 ways as a sum of consecutive naturals, for example, 72934 + ... + 76977.

It is an arithmetic number, because the mean of its divisors is an integer number (38002692).

Almost surely, 2^303120042 is an apocalyptic number.

303120042 is an abundant number, since it is smaller than the sum of its proper divisors (304923030).

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

303120042 is a wasteful number, since it uses less digits than its factorization.

303120042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150253.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 303120042 is about 17410.3429604359. The cubic root of 303120042 is about 671.7456830678.

Adding to 303120042 its reverse (240021303), we get a palindrome (543141345).

The spelling of 303120042 in words is "three hundred three million, one hundred twenty thousand, forty-two".