122743741 has 4 divisors (see below), whose sum is σ = 122821084. Its totient is φ = 122666400.

The previous prime is 122743729. The next prime is 122743783. The reversal of 122743741 is 147347221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34928100 + 87815641 = 5910^2 + 9371^2 .

It is a cyclic number.

It is not a de Polignac number, because 122743741 - 2⁷ = 122743613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122743721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36240 + ... + 39481.

It is an arithmetic number, because the mean of its divisors is an integer number (30705271).

Almost surely, 2^122743741 is an apocalyptic number.

It is an amenable number.

122743741 is a deficient number, since it is larger than the sum of its proper divisors (77343).

122743741 is an equidigital number, since it uses as much as digits as its factorization.

122743741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77342.

The product of its digits is 9408, while the sum is 31.

The square root of 122743741 is about 11078.9774347636. The cubic root of 122743741 is about 496.9733706636.

The spelling of 122743741 in words is "one hundred twenty-two million, seven hundred forty-three thousand, seven hundred forty-one".