101434409 has 2 divisors, whose sum is σ = 101434410. Its totient is φ = 101434408.

The previous prime is 101434381. The next prime is 101434433. The reversal of 101434409 is 904434101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97219600 + 4214809 = 9860^2 + 2053^2 .

It is a cyclic number.

It is not a de Polignac number, because 101434409 - 2²⁴ = 84657193 is a prime.

It is not a weakly prime, because it can be changed into another prime (101434469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50717204 + 50717205.

It is an arithmetic number, because the mean of its divisors is an integer number (50717205).

Almost surely, 2^101434409 is an apocalyptic number.

It is an amenable number.

101434409 is a deficient number, since it is larger than the sum of its proper divisors (1).

101434409 is an equidigital number, since it uses as much as digits as its factorization.

101434409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 101434409 is about 10071.4650870665. The cubic root of 101434409 is about 466.3676680496.

The spelling of 101434409 in words is "one hundred one million, four hundred thirty-four thousand, four hundred nine".