100120928260387 has 2 divisors, whose sum is σ = 100120928260388. Its totient is φ = 100120928260386.

The previous prime is 100120928260337. The next prime is 100120928260391. The reversal of 100120928260387 is 783062829021001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100120928260387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100120928260387.

It is not a weakly prime, because it can be changed into another prime (100120928260337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060464130193 + 50060464130194.

It is an arithmetic number, because the mean of its divisors is an integer number (50060464130194).

Almost surely, 2^{100120928260387} is an apocalyptic number.

100120928260387 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120928260387 is an equidigital number, since it uses as much as digits as its factorization.

100120928260387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 100120928260387 in words is "one hundred trillion, one hundred twenty billion, nine hundred twenty-eight million, two hundred sixty thousand, three hundred eighty-seven".