122505045 has 16 divisors (see below), whose sum is σ = 211085952. Its totient is φ = 60310080.

The previous prime is 122505037. The next prime is 122505091. The reversal of 122505045 is 540505221.

It is a happy number.

It is not a de Polignac number, because 122505045 - 2³ = 122505037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313921 + ... + 314310.

It is an arithmetic number, because the mean of its divisors is an integer number (13192872).

Almost surely, 2^122505045 is an apocalyptic number.

122505045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122505045 is a deficient number, since it is larger than the sum of its proper divisors (88580907).

122505045 is a wasteful number, since it uses less digits than its factorization.

122505045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628252.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 122505045 is about 11068.1997181113. The cubic root of 122505045 is about 496.6510119735.

The spelling of 122505045 in words is "one hundred twenty-two million, five hundred five thousand, forty-five".