122445315 has 12 divisors (see below), whose sum is σ = 212238624. Its totient is φ = 65304144.

The previous prime is 122445313. The next prime is 122445341. The reversal of 122445315 is 513544221.

122445315 is a `hidden beast` number, since 122 + 4 + 4 + 531 + 5 = 666.

It is not a de Polignac number, because 122445315 - 2¹ = 122445313 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (122445313) 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 11 ways as a sum of consecutive naturals, for example, 1360459 + ... + 1360548.

It is an arithmetic number, because the mean of its divisors is an integer number (17686552).

Almost surely, 2^122445315 is an apocalyptic number.

122445315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122445315 is a deficient number, since it is larger than the sum of its proper divisors (89793309).

122445315 is a wasteful number, since it uses less digits than its factorization.

122445315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721018 (or 2721015 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 122445315 is about 11065.5011183407. The cubic root of 122445315 is about 496.5702811826.

Adding to 122445315 its reverse (513544221), we get a palindrome (635989536).

It can be divided in two parts, 122445 and 315, that added together give a triangular number (122760 = T₄₉₅).

The spelling of 122445315 in words is "one hundred twenty-two million, four hundred forty-five thousand, three hundred fifteen".