1203231042 has 24 divisors (see below), whose sum is σ = 2807539644. Its totient is φ = 370224864.

The previous prime is 1203231037. The next prime is 1203231047. The reversal of 1203231042 is 2401323021.

It is an interprime number because it is at equal distance from previous prime (1203231037) and next prime (1203231047).

It can be written as a sum of positive squares in 2 ways, for example, as 978500961 + 224730081 = 31281^2 + 14991^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1203231047) 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 in 11 ways as a sum of consecutive naturals, for example, 2570773 + ... + 2571240.

Almost surely, 2^1203231042 is an apocalyptic number.

1203231042 is an abundant number, since it is smaller than the sum of its proper divisors (1604308602).

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

1203231042 is a wasteful number, since it uses less digits than its factorization.

1203231042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142034 (or 5142031 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1203231042 is about 34687.6208754651. The cubic root of 1203231042 is about 1063.6114629239.

Adding to 1203231042 its reverse (2401323021), we get a palindrome (3604554063).

The spelling of 1203231042 in words is "one billion, two hundred three million, two hundred thirty-one thousand, forty-two".