122743061 has 4 divisors (see below), whose sum is σ = 140277792. Its totient is φ = 105208332.

The previous prime is 122743037. The next prime is 122743067. The reversal of 122743061 is 160347221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122743061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122743061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122743067) 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 in 3 ways as a sum of consecutive naturals, for example, 8767355 + ... + 8767368.

It is an arithmetic number, because the mean of its divisors is an integer number (35069448).

Almost surely, 2^122743061 is an apocalyptic number.

It is an amenable number.

122743061 is a deficient number, since it is larger than the sum of its proper divisors (17534731).

122743061 is an equidigital number, since it uses as much as digits as its factorization.

122743061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17534730.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 122743061 is about 11078.9467459682. The cubic root of 122743061 is about 496.9724529182.

The spelling of 122743061 in words is "one hundred twenty-two million, seven hundred forty-three thousand, sixty-one".