122432445 has 64 divisors (see below), whose sum is σ = 226467840. Its totient is φ = 62705664.

The previous prime is 122432441. The next prime is 122432459. The reversal of 122432445 is 544234221.

It is not a de Polignac number, because 122432445 - 2² = 122432441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122432441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 634269 + ... + 634461.

It is an arithmetic number, because the mean of its divisors is an integer number (3538560).

Almost surely, 2^122432445 is an apocalyptic number.

122432445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122432445 is a deficient number, since it is larger than the sum of its proper divisors (104035395).

122432445 is a wasteful number, since it uses less digits than its factorization.

122432445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 365 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 122432445 is about 11064.9195659074. The cubic root of 122432445 is about 496.5528827125.

Adding to 122432445 its reverse (544234221), we get a palindrome (666666666).

The spelling of 122432445 in words is "one hundred twenty-two million, four hundred thirty-two thousand, four hundred forty-five".