340497127 has 2 divisors, whose sum is σ = 340497128. Its totient is φ = 340497126.

The previous prime is 340497109. The next prime is 340497133. The reversal of 340497127 is 721794043.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340497127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340497527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170248563 + 170248564.

It is an arithmetic number, because the mean of its divisors is an integer number (170248564).

Almost surely, 2^340497127 is an apocalyptic number.

340497127 is a deficient number, since it is larger than the sum of its proper divisors (1).

340497127 is an equidigital number, since it uses as much as digits as its factorization.

340497127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 340497127 is about 18452.5642391512. The cubic root of 340497127 is about 698.2932070569.

The spelling of 340497127 in words is "three hundred forty million, four hundred ninety-seven thousand, one hundred twenty-seven".