1260100541764 has 27 divisors (see below), whose sum is σ = 2225311496317. Its totient is φ = 624348880064.

The previous prime is 1260100541741. The next prime is 1260100541767. The reversal of 1260100541764 is 4671450010621.

The square root of 1260100541764 is 1122542.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22203980100 + 1237896561664 = 149010^2 + 1112608^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260100541767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 253692009 + ... + 253696975.

Almost surely, 2^{1260100541764} is an apocalyptic number.

1260100541764 is the 1122542-nd square number.

It is an amenable number.

1260100541764 is a deficient number, since it is larger than the sum of its proper divisors (965210954553).

1260100541764 is an frugal number, since it uses more digits than its factorization.

1260100541764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10164 (or 5082 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 1260100541764 in words is "one trillion, two hundred sixty billion, one hundred million, five hundred forty-one thousand, seven hundred sixty-four".