122621371445 has 8 divisors (see below), whose sum is σ = 147148617600. Its totient is φ = 98095115920.

The previous prime is 122621371423. The next prime is 122621371469. The reversal of 122621371445 is 544173126221.

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

It is not a de Polignac number, because 122621371445 - 2⁶ = 122621371381 is a prime.

It is a super-2 number, since 2×122621371445² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122621371399 and 122621371408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59240 + ... + 498750.

It is an arithmetic number, because the mean of its divisors is an integer number (18393577200).

Almost surely, 2^122621371445 is an apocalyptic number.

It is an amenable number.

122621371445 is a deficient number, since it is larger than the sum of its proper divisors (24527246155).

122621371445 is an equidigital number, since it uses as much as digits as its factorization.

122621371445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495315.

The product of its digits is 80640, while the sum is 38.

Adding to 122621371445 its reverse (544173126221), we get a palindrome (666794497666).

The spelling of 122621371445 in words is "one hundred twenty-two billion, six hundred twenty-one million, three hundred seventy-one thousand, four hundred forty-five".