742127 has 2 divisors, whose sum is σ = 742128. Its totient is φ = 742126.

The previous prime is 742117. The next prime is 742151. The reversal of 742127 is 721247.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 742127 - 2⁴ = 742111 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 (742117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371063 + 371064.

It is an arithmetic number, because the mean of its divisors is an integer number (371064).

2⁷⁴²¹²⁷ is an apocalyptic number.

742127 is a deficient number, since it is larger than the sum of its proper divisors (1).

742127 is an equidigital number, since it uses as much as digits as its factorization.

742127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 784, while the sum is 23.

The square root of 742127 is about 861.4679332395. The cubic root of 742127 is about 90.5369953444.

The spelling of 742127 in words is "seven hundred forty-two thousand, one hundred twenty-seven", and thus it is an iban number.