1201534504 has 8 divisors (see below), whose sum is σ = 2252877210. Its totient is φ = 600767248.

The previous prime is 1201534459. The next prime is 1201534511. The reversal of 1201534504 is 4054351021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 781202500 + 420332004 = 27950^2 + 20502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 75095899 + ... + 75095914.

Almost surely, 2^1201534504 is an apocalyptic number.

It is an amenable number.

1201534504 is a deficient number, since it is larger than the sum of its proper divisors (1051342706).

1201534504 is a wasteful number, since it uses less digits than its factorization.

1201534504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150191819 (or 150191815 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1201534504 is about 34663.1577326706. The cubic root of 1201534504 is about 1063.1113356411. Note that the first 3 decimals are identical.

Adding to 1201534504 its reverse (4054351021), we get a palindrome (5255885525).

The spelling of 1201534504 in words is "one billion, two hundred one million, five hundred thirty-four thousand, five hundred four".