1300240001128 has 8 divisors (see below), whose sum is σ = 2437950002130. Its totient is φ = 650120000560.

The previous prime is 1300240001107. The next prime is 1300240001129. The reversal of 1300240001128 is 8211000420031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1170382112964 + 129857888164 = 1081842^2 + 360358^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1300240001099 and 1300240001108.

It is not an unprimeable number, because it can be changed into a prime (1300240001129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81265000063 + ... + 81265000078.

Almost surely, 2^{1300240001128} is an apocalyptic number.

It is an amenable number.

1300240001128 is a deficient number, since it is larger than the sum of its proper divisors (1137710001002).

1300240001128 is a wasteful number, since it uses less digits than its factorization.

1300240001128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162530000147 (or 162530000143 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1300240001128 its reverse (8211000420031), we get a palindrome (9511240421159).

The spelling of 1300240001128 in words is "one trillion, three hundred billion, two hundred forty million, one thousand, one hundred twenty-eight".