122504345 has 4 divisors (see below), whose sum is σ = 147005220. Its totient is φ = 98003472.

The previous prime is 122504321. The next prime is 122504357. The reversal of 122504345 is 543405221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43454464 + 79049881 = 6592^2 + 8891^2 .

It is a cyclic number.

It is not a de Polignac number, because 122504345 - 2¹⁴ = 122487961 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12250430 + ... + 12250439.

It is an arithmetic number, because the mean of its divisors is an integer number (36751305).

Almost surely, 2^122504345 is an apocalyptic number.

It is an amenable number.

122504345 is a deficient number, since it is larger than the sum of its proper divisors (24500875).

122504345 is an equidigital number, since it uses as much as digits as its factorization.

122504345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24500874.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 122504345 is about 11068.1680959407. The cubic root of 122504345 is about 496.6500660087.

Adding to 122504345 its reverse (543405221), we get a palindrome (665909566).

The spelling of 122504345 in words is "one hundred twenty-two million, five hundred four thousand, three hundred forty-five".