1204142402 has 32 divisors (see below), whose sum is σ = 1949721840. Its totient is φ = 555724800.

The previous prime is 1204142399. The next prime is 1204142413. The reversal of 1204142402 is 2042414021.

It can be written as a sum of positive squares in 8 ways, for example, as 1204020601 + 121801 = 34699^2 + 349^2 .

It is a super-3 number, since 3×1204142402³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 372698 + ... + 375914.

Almost surely, 2^1204142402 is an apocalyptic number.

1204142402 is a deficient number, since it is larger than the sum of its proper divisors (745579438).

1204142402 is a wasteful number, since it uses less digits than its factorization.

1204142402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1204142402 is about 34700.7550638311. The cubic root of 1204142402 is about 1063.8799312615.

Adding to 1204142402 its reverse (2042414021), we get a palindrome (3246556423).

The spelling of 1204142402 in words is "one billion, two hundred four million, one hundred forty-two thousand, four hundred two".