742289111 has 2 divisors, whose sum is σ = 742289112. Its totient is φ = 742289110.

The previous prime is 742289101. The next prime is 742289117. The reversal of 742289111 is 111982247.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742289111 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_38326373 and since 742289111 and 38326373 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742289117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371144555 + 371144556.

It is an arithmetic number, because the mean of its divisors is an integer number (371144556).

Almost surely, 2^742289111 is an apocalyptic number.

742289111 is a deficient number, since it is larger than the sum of its proper divisors (1).

742289111 is an equidigital number, since it uses as much as digits as its factorization.

742289111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 35.

The square root of 742289111 is about 27244.9832262749. The cubic root of 742289111 is about 905.4358719655.

The spelling of 742289111 in words is "seven hundred forty-two million, two hundred eighty-nine thousand, one hundred eleven".