122743893 has 32 divisors (see below), whose sum is σ = 181958400. Its totient is φ = 73204736.

The previous prime is 122743871. The next prime is 122743909. The reversal of 122743893 is 398347221.

It is a cyclic number.

It is not a de Polignac number, because 122743893 - 2⁵ = 122743861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122743843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315343 + ... + 315731.

It is an arithmetic number, because the mean of its divisors is an integer number (5686200).

Almost surely, 2^122743893 is an apocalyptic number.

It is an amenable number.

122743893 is a deficient number, since it is larger than the sum of its proper divisors (59214507).

122743893 is a wasteful number, since it uses less digits than its factorization.

122743893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701.

The product of its digits is 72576, while the sum is 39.

The square root of 122743893 is about 11078.9842946003. The cubic root of 122743893 is about 496.9735758062.

The spelling of 122743893 in words is "one hundred twenty-two million, seven hundred forty-three thousand, eight hundred ninety-three".