1201616504 has 16 divisors (see below), whose sum is σ = 2457852120. Its totient is φ = 546189280.

The previous prime is 1201616483. The next prime is 1201616509. The reversal of 1201616504 is 4056161021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201616509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6827279 + ... + 6827454.

Almost surely, 2^1201616504 is an apocalyptic number.

It is an amenable number.

1201616504 is an abundant number, since it is smaller than the sum of its proper divisors (1256235616).

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

1201616504 is a wasteful number, since it uses less digits than its factorization.

1201616504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13654750 (or 13654746 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1201616504 is about 34664.3405245217. The cubic root of 1201616504 is about 1063.1355194788.

Adding to 1201616504 its reverse (4056161021), we get a palindrome (5257777525).

The spelling of 1201616504 in words is "one billion, two hundred one million, six hundred sixteen thousand, five hundred four".