1154135204 has 12 divisors (see below), whose sum is σ = 2026631964. Its totient is φ = 575097504.

The previous prime is 1154135161. The next prime is 1154135207. The reversal of 1154135204 is 4025314511.

It can be written as a sum of positive squares in 2 ways, for example, as 1029768100 + 124367104 = 32090^2 + 11152^2 .

It is a super-3 number, since 3×1154135204³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1154135207) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 491207 + ... + 493550.

It is an arithmetic number, because the mean of its divisors is an integer number (168885997).

Almost surely, 2^1154135204 is an apocalyptic number.

It is an amenable number.

1154135204 is a deficient number, since it is larger than the sum of its proper divisors (872496760).

1154135204 is a wasteful number, since it uses less digits than its factorization.

1154135204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985054 (or 985052 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1154135204 is about 33972.5654609716. The cubic root of 1154135204 is about 1048.9438220153.

Adding to 1154135204 its reverse (4025314511), we get a palindrome (5179449715).

The spelling of 1154135204 in words is "one billion, one hundred fifty-four million, one hundred thirty-five thousand, two hundred four".