122942393 has 8 divisors (see below), whose sum is σ = 142485120. Its totient is φ = 103894560.

The previous prime is 122942357. The next prime is 122942411. The reversal of 122942393 is 393249221.

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

It is not a de Polignac number, because 122942393 - 2⁶ = 122942329 is a prime.

It is a super-2 number, since 2×122942393² = 30229663993132898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122942093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123188 + ... + 124181.

It is an arithmetic number, because the mean of its divisors is an integer number (17810640).

Almost surely, 2^122942393 is an apocalyptic number.

It is an amenable number.

122942393 is a deficient number, since it is larger than the sum of its proper divisors (19542727).

122942393 is an equidigital number, since it uses as much as digits as its factorization.

122942393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247447.

The product of its digits is 23328, while the sum is 35.

The square root of 122942393 is about 11087.9390781155. The cubic root of 122942393 is about 497.2413314883.

The spelling of 122942393 in words is "one hundred twenty-two million, nine hundred forty-two thousand, three hundred ninety-three".