122621245 has 8 divisors (see below), whose sum is σ = 147216384. Its totient is φ = 98049744.

The previous prime is 122621237. The next prime is 122621249. The reversal of 122621245 is 542126221.

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 122621245 - 2³ = 122621237 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 (122621249) 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, 8872 + ... + 17998.

It is an arithmetic number, because the mean of its divisors is an integer number (18402048).

Almost surely, 2^122621245 is an apocalyptic number.

It is an amenable number.

122621245 is a deficient number, since it is larger than the sum of its proper divisors (24595139).

122621245 is an equidigital number, since it uses as much as digits as its factorization.

122621245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11819.

The product of its digits is 1920, while the sum is 25.

The square root of 122621245 is about 11073.4477467499. The cubic root of 122621245 is about 496.8079922032.

Adding to 122621245 its reverse (542126221), we get a palindrome (664747466).

The spelling of 122621245 in words is "one hundred twenty-two million, six hundred twenty-one thousand, two hundred forty-five".