1204135153 has 8 divisors (see below), whose sum is σ = 1297249128. Its totient is φ = 1111090944.

The previous prime is 1204135151. The next prime is 1204135157. The reversal of 1204135153 is 3515314021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 88040689 + 1116094464 = 9383^2 + 33408^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1204135153 - 2¹ = 1204135151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204135151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21675 + ... + 53647.

It is an arithmetic number, because the mean of its divisors is an integer number (162156141).

Almost surely, 2^1204135153 is an apocalyptic number.

1204135153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1204135153 is a deficient number, since it is larger than the sum of its proper divisors (93113975).

1204135153 is a wasteful number, since it uses less digits than its factorization.

1204135153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34883.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1204135153 is about 34700.6506134971. The cubic root of 1204135153 is about 1063.8777963863.

Adding to 1204135153 its reverse (3515314021), we get a palindrome (4719449174).

The spelling of 1204135153 in words is "one billion, two hundred four million, one hundred thirty-five thousand, one hundred fifty-three".