201203042 has 4 divisors (see below), whose sum is σ = 301804566. Its totient is φ = 100601520.

The previous prime is 201203021. The next prime is 201203047. The reversal of 201203042 is 240302102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240302102 = 2 ⋅120151051.

It can be written as a sum of positive squares in only one way, i.e., 136866601 + 64336441 = 11699^2 + 8021^2 .

It is a super-2 number, since 2×201203042² = 80965328220107528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201203047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50300759 + ... + 50300762.

Almost surely, 2^201203042 is an apocalyptic number.

201203042 is a deficient number, since it is larger than the sum of its proper divisors (100601524).

201203042 is a wasteful number, since it uses less digits than its factorization.

201203042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100601523.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 201203042 is about 14184.6058105257. The cubic root of 201203042 is about 585.9737764283.

Adding to 201203042 its reverse (240302102), we get a palindrome (441505144).

The spelling of 201203042 in words is "two hundred one million, two hundred three thousand, forty-two".