122535394 has 4 divisors (see below), whose sum is σ = 183803094. Its totient is φ = 61267696.

The previous prime is 122535377. The next prime is 122535401. The reversal of 122535394 is 493535221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 493535221 = 31 ⋅15920491.

It can be written as a sum of positive squares in only one way, i.e., 118483225 + 4052169 = 10885^2 + 2013^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30633847 + ... + 30633850.

Almost surely, 2^122535394 is an apocalyptic number.

122535394 is a deficient number, since it is larger than the sum of its proper divisors (61267700).

122535394 is an equidigital number, since it uses as much as digits as its factorization.

122535394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61267699.

The product of its digits is 32400, while the sum is 34.

The square root of 122535394 is about 11069.5706330463. The cubic root of 122535394 is about 496.6920214874.

The spelling of 122535394 in words is "one hundred twenty-two million, five hundred thirty-five thousand, three hundred ninety-four".