1204135164 has 36 divisors (see below), whose sum is σ = 3045127176. Its totient is φ = 401201568.

The previous prime is 1204135157. The next prime is 1204135171. The reversal of 1204135164 is 4615314021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1204135157) and next prime (1204135171).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 94942 + ... + 106874.

It is an arithmetic number, because the mean of its divisors is an integer number (84586866).

Almost surely, 2^1204135164 is an apocalyptic number.

It is an amenable number.

1204135164 is an abundant number, since it is smaller than the sum of its proper divisors (1840992012).

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

1204135164 is a wasteful number, since it uses less digits than its factorization.

1204135164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14746 (or 14741 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1204135164 is about 34700.6507719956. The cubic root of 1204135164 is about 1063.8777996259.

Adding to 1204135164 its reverse (4615314021), we get a palindrome (5819449185).

The spelling of 1204135164 in words is "one billion, two hundred four million, one hundred thirty-five thousand, one hundred sixty-four".