1201600544 has 24 divisors (see below), whose sum is σ = 2369844540. Its totient is φ = 599735296.

The previous prime is 1201600541. The next prime is 1201600553. The reversal of 1201600544 is 4450061021.

It can be written as a sum of positive squares in 2 ways, for example, as 1197990544 + 3610000 = 34612^2 + 1900^2 .

It is not an unprimeable number, because it can be changed into a prime (1201600541) 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, 14789 + ... + 51204.

Almost surely, 2^1201600544 is an apocalyptic number.

It is an amenable number.

1201600544 is a deficient number, since it is larger than the sum of its proper divisors (1168243996).

1201600544 is an equidigital number, since it uses as much as digits as its factorization.

1201600544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66572 (or 66564 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1201600544 is about 34664.1103160026. The cubic root of 1201600544 is about 1063.1308125644.

Adding to 1201600544 its reverse (4450061021), we get a palindrome (5651661565).

The spelling of 1201600544 in words is "one billion, two hundred one million, six hundred thousand, five hundred forty-four".