1260700072 has 16 divisors (see below), whose sum is σ = 2396194740. Its totient is φ = 621714816.

The previous prime is 1260700061. The next prime is 1260700117. The reversal of 1260700072 is 2700070621.

It can be written as a sum of positive squares in 2 ways, for example, as 1165949316 + 94750756 = 34146^2 + 9734^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078783 + ... + 1079950.

Almost surely, 2^1260700072 is an apocalyptic number.

It is an amenable number.

1260700072 is a deficient number, since it is larger than the sum of its proper divisors (1135494668).

1260700072 is a wasteful number, since it uses less digits than its factorization.

1260700072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158812 (or 2158808 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 1260700072 is about 35506.3384763904. The cubic root of 1260700072 is about 1080.2822970327.

Adding to 1260700072 its reverse (2700070621), we get a palindrome (3960770693).

The spelling of 1260700072 in words is "one billion, two hundred sixty million, seven hundred thousand, seventy-two".