1300233128977 has 2 divisors, whose sum is σ = 1300233128978. Its totient is φ = 1300233128976.

The previous prime is 1300233128921. The next prime is 1300233129007. The reversal of 1300233128977 is 7798213320031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1297512359056 + 2720769921 = 1139084^2 + 52161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1300233128977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1300233123977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650116564488 + 650116564489.

It is an arithmetic number, because the mean of its divisors is an integer number (650116564489).

Almost surely, 2^{1300233128977} is an apocalyptic number.

It is an amenable number.

1300233128977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300233128977 is an equidigital number, since it uses as much as digits as its factorization.

1300233128977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 1300233128977 in words is "one trillion, three hundred billion, two hundred thirty-three million, one hundred twenty-eight thousand, nine hundred seventy-seven".