122123245 has 12 divisors (see below), whose sum is σ = 148795164. Its totient is φ = 96222720.

The previous prime is 122123237. The next prime is 122123269. The reversal of 122123245 is 542321221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 66814276 + 55308969 = 8174^2 + 7437^2 .

It is not a de Polignac number, because 122123245 - 2³ = 122123237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19725 + ... + 25165.

It is an arithmetic number, because the mean of its divisors is an integer number (12399597).

Almost surely, 2^122123245 is an apocalyptic number.

It is an amenable number.

122123245 is a deficient number, since it is larger than the sum of its proper divisors (26671919).

122123245 is an frugal number, since it uses more digits than its factorization.

122123245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580 (or 5513 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 122123245 is about 11050.9386479158. The cubic root of 122123245 is about 496.1345198027.

Adding to 122123245 its reverse (542321221), we get a palindrome (664444466).

The spelling of 122123245 in words is "one hundred twenty-two million, one hundred twenty-three thousand, two hundred forty-five".