122943755 has 8 divisors (see below), whose sum is σ = 160944624. Its totient is φ = 89413600.

The previous prime is 122943739. The next prime is 122943767. The reversal of 122943755 is 557349221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122943755 - 2⁴ = 122943739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117616 + ... + 1117725.

It is an arithmetic number, because the mean of its divisors is an integer number (20118078).

Almost surely, 2^122943755 is an apocalyptic number.

122943755 is a deficient number, since it is larger than the sum of its proper divisors (38000869).

122943755 is a wasteful number, since it uses less digits than its factorization.

122943755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235357.

The product of its digits is 75600, while the sum is 38.

The square root of 122943755 is about 11088.0004960317. Note that the first 3 decimals coincide. The cubic root of 122943755 is about 497.2431676876.

The spelling of 122943755 in words is "one hundred twenty-two million, nine hundred forty-three thousand, seven hundred fifty-five".