1201617160 has 16 divisors (see below), whose sum is σ = 2703638700. Its totient is φ = 480646848.

The previous prime is 1201617149. The next prime is 1201617161. The reversal of 1201617160 is 617161021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1193426116 + 8191044 = 34546^2 + 2862^2 .

It is not an unprimeable number, because it can be changed into a prime (1201617161) 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, 15020175 + ... + 15020254.

Almost surely, 2^1201617160 is an apocalyptic number.

1201617160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201617160 is an abundant number, since it is smaller than the sum of its proper divisors (1502021540).

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

1201617160 is a wasteful number, since it uses less digits than its factorization.

1201617160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30040440 (or 30040436 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1201617160 is about 34664.3499866938. The cubic root of 1201617160 is about 1063.1357129451.

Adding to 1201617160 its reverse (617161021), we get a palindrome (1818778181).

The spelling of 1201617160 in words is "one billion, two hundred one million, six hundred seventeen thousand, one hundred sixty".