122132745 has 96 divisors (see below), whose sum is σ = 259920000. Its totient is φ = 54214272.

The previous prime is 122132713. The next prime is 122132749. The reversal of 122132745 is 547231221.

It is not a de Polignac number, because 122132745 - 2⁵ = 122132713 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122132749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 244506 + ... + 245004.

It is an arithmetic number, because the mean of its divisors is an integer number (2707500).

Almost surely, 2^122132745 is an apocalyptic number.

122132745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122132745 is an abundant number, since it is smaller than the sum of its proper divisors (137787255).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122132745 is a wasteful number, since it uses less digits than its factorization.

122132745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 551 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 122132745 is about 11051.3684672985. The cubic root of 122132745 is about 496.1473842816.

Adding to 122132745 its reverse (547231221), we get a palindrome (669363966).

The spelling of 122132745 in words is "one hundred twenty-two million, one hundred thirty-two thousand, seven hundred forty-five".