122378193 has 24 divisors (see below), whose sum is σ = 210807168. Its totient is φ = 66889152.

The previous prime is 122378171. The next prime is 122378237. The reversal of 122378193 is 391873221.

It is not a de Polignac number, because 122378193 - 2⁵ = 122378161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122378143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40780 + ... + 43677.

It is an arithmetic number, because the mean of its divisors is an integer number (8783632).

Almost surely, 2^122378193 is an apocalyptic number.

It is an amenable number.

122378193 is a deficient number, since it is larger than the sum of its proper divisors (88428975).

122378193 is a wasteful number, since it uses less digits than its factorization.

122378193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84493 (or 84490 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 122378193 is about 11062.4677626649. The cubic root of 122378193 is about 496.4795280637.

The spelling of 122378193 in words is "one hundred twenty-two million, three hundred seventy-eight thousand, one hundred ninety-three".