122023605 has 32 divisors (see below), whose sum is σ = 224202240. Its totient is φ = 56047680.

The previous prime is 122023547. The next prime is 122023631. The reversal of 122023605 is 506320221.

It is not a de Polignac number, because 122023605 - 2¹⁰ = 122022581 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

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 in 31 ways as a sum of consecutive naturals, for example, 16327 + ... + 22596.

It is an arithmetic number, because the mean of its divisors is an integer number (7006320).

Almost surely, 2^122023605 is an apocalyptic number.

122023605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122023605 is a deficient number, since it is larger than the sum of its proper divisors (102178635).

122023605 is a wasteful number, since it uses less digits than its factorization.

122023605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38961.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 122023605 is about 11046.4295136483. The cubic root of 122023605 is about 495.9995515193. Note that the first 3 decimals are identical.

Adding to 122023605 its reverse (506320221), we get a palindrome (628343826).

The spelling of 122023605 in words is "one hundred twenty-two million, twenty-three thousand, six hundred five".