122123445 has 32 divisors (see below), whose sum is σ = 204595200. Its totient is φ = 62086464.

The previous prime is 122123429. The next prime is 122123447. The reversal of 122123445 is 544321221.

It is not a de Polignac number, because 122123445 - 2⁴ = 122123429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122123447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164886 + ... + 165624.

It is an arithmetic number, because the mean of its divisors is an integer number (6393600).

Almost surely, 2^122123445 is an apocalyptic number.

122123445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122123445 is a deficient number, since it is larger than the sum of its proper divisors (82471755).

122123445 is a wasteful number, since it uses less digits than its factorization.

122123445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249.

The product of its digits is 1920, while the sum is 24.

The square root of 122123445 is about 11050.9476969172. The cubic root of 122123445 is about 496.1347906407.

Adding to 122123445 its reverse (544321221), we get a palindrome (666444666).

The spelling of 122123445 in words is "one hundred twenty-two million, one hundred twenty-three thousand, four hundred forty-five".