122393545 has 4 divisors (see below), whose sum is σ = 146872260. Its totient is φ = 97914832.

The previous prime is 122393527. The next prime is 122393567. The reversal of 122393545 is 545393221.

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 50296464 + 72097081 = 7092^2 + 8491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122393545 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122393545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12239350 + ... + 12239359.

It is an arithmetic number, because the mean of its divisors is an integer number (36718065).

Almost surely, 2^122393545 is an apocalyptic number.

It is an amenable number.

122393545 is a deficient number, since it is larger than the sum of its proper divisors (24478715).

122393545 is an equidigital number, since it uses as much as digits as its factorization.

122393545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24478714.

The product of its digits is 32400, while the sum is 34.

The square root of 122393545 is about 11063.1616186333. The cubic root of 122393545 is about 496.5002878489.

The spelling of 122393545 in words is "one hundred twenty-two million, three hundred ninety-three thousand, five hundred forty-five".