122500545 has 16 divisors (see below), whose sum is σ = 196705152. Its totient is φ = 65098880.

The previous prime is 122500523. The next prime is 122500559. The reversal of 122500545 is 545005221.

It is a happy number.

It is not a de Polignac number, because 122500545 - 2⁸ = 122500289 is a prime.

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, 10317 + ... + 18746.

It is an arithmetic number, because the mean of its divisors is an integer number (12294072).

Almost surely, 2^122500545 is an apocalyptic number.

122500545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122500545 is a deficient number, since it is larger than the sum of its proper divisors (74204607).

122500545 is a wasteful number, since it uses less digits than its factorization.

122500545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29352.

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

The square root of 122500545 is about 11067.9964311523. The cubic root of 122500545 is about 496.6449307085.

Adding to 122500545 its reverse (545005221), we get a palindrome (667505766).

The spelling of 122500545 in words is "one hundred twenty-two million, five hundred thousand, five hundred forty-five".