122115445 has 8 divisors (see below), whose sum is σ = 149303736. Its totient is φ = 95848896.

The previous prime is 122115443. The next prime is 122115463. The reversal of 122115445 is 544511221.

It can be written as a sum of positive squares in 4 ways, for example, as 4588164 + 117527281 = 2142^2 + 10841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122115445 - 2¹ = 122115443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122115443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230142 + ... + 230671.

It is an arithmetic number, because the mean of its divisors is an integer number (18662967).

Almost surely, 2^122115445 is an apocalyptic number.

It is an amenable number.

122115445 is a deficient number, since it is larger than the sum of its proper divisors (27188291).

122115445 is an equidigital number, since it uses as much as digits as its factorization.

122115445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460871.

The product of its digits is 1600, while the sum is 25.

The square root of 122115445 is about 11050.5857310823. The cubic root of 122115445 is about 496.1239568897.

Adding to 122115445 its reverse (544511221), we get a palindrome (666626666).

The spelling of 122115445 in words is "one hundred twenty-two million, one hundred fifteen thousand, four hundred forty-five".