101204103409 has 2 divisors, whose sum is σ = 101204103410. Its totient is φ = 101204103408.

The previous prime is 101204103391. The next prime is 101204103431. The reversal of 101204103409 is 904301402101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94879400625 + 6324702784 = 308025^2 + 79528^2 .

It is a cyclic number.

It is not a de Polignac number, because 101204103409 - 2¹⁵ = 101204070641 is a prime.

It is not a weakly prime, because it can be changed into another prime (101204103709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50602051704 + 50602051705.

It is an arithmetic number, because the mean of its divisors is an integer number (50602051705).

Almost surely, 2^101204103409 is an apocalyptic number.

It is an amenable number.

101204103409 is a deficient number, since it is larger than the sum of its proper divisors (1).

101204103409 is an equidigital number, since it uses as much as digits as its factorization.

101204103409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 101204103409 in words is "one hundred one billion, two hundred four million, one hundred three thousand, four hundred nine".