103406279 has 2 divisors, whose sum is σ = 103406280. Its totient is φ = 103406278.

The previous prime is 103406269. The next prime is 103406293. The reversal of 103406279 is 972604301.

It is a weak prime.

It is an emirp because it is prime and its reverse (972604301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103406279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103406209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51703139 + 51703140.

It is an arithmetic number, because the mean of its divisors is an integer number (51703140).

Almost surely, 2^103406279 is an apocalyptic number.

103406279 is a deficient number, since it is larger than the sum of its proper divisors (1).

103406279 is an equidigital number, since it uses as much as digits as its factorization.

103406279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 103406279 is about 10168.8877956245. The cubic root of 103406279 is about 469.3703338064.

The spelling of 103406279 in words is "one hundred three million, four hundred six thousand, two hundred seventy-nine".