1204023142 has 32 divisors (see below), whose sum is σ = 2127327552. Its totient is φ = 500287104.

The previous prime is 1204023133. The next prime is 1204023151. The reversal of 1204023142 is 2413204021.

It is an interprime number because it is at equal distance from previous prime (1204023133) and next prime (1204023151).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147808 + ... + 155740.

It is an arithmetic number, because the mean of its divisors is an integer number (66478986).

Almost surely, 2^1204023142 is an apocalyptic number.

1204023142 is a deficient number, since it is larger than the sum of its proper divisors (923304410).

1204023142 is a wasteful number, since it uses less digits than its factorization.

1204023142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8272.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1204023142 is about 34699.0366148687. The cubic root of 1204023142 is about 1063.8448073677.

Adding to 1204023142 its reverse (2413204021), we get a palindrome (3617227163).

The spelling of 1204023142 in words is "one billion, two hundred four million, twenty-three thousand, one hundred forty-two".