1203442042 has 24 divisors (see below), whose sum is σ = 1990012500. Its totient is φ = 545413440.

The previous prime is 1203442039. The next prime is 1203442061. The reversal of 1203442042 is 2402443021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1133736241 + 69705801 = 33671^2 + 8349^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 77334 + ... + 91582.

Almost surely, 2^1203442042 is an apocalyptic number.

1203442042 is a deficient number, since it is larger than the sum of its proper divisors (786570458).

1203442042 is a wasteful number, since it uses less digits than its factorization.

1203442042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14622 (or 14611 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1203442042 is about 34690.6621729825. The cubic root of 1203442042 is about 1063.6736313393.

Adding to 1203442042 its reverse (2402443021), we get a palindrome (3605885063).

The spelling of 1203442042 in words is "one billion, two hundred three million, four hundred forty-two thousand, forty-two".