122626021441 has 32 divisors (see below), whose sum is σ = 158264303616. Its totient is φ = 92207808000.

The previous prime is 122626021403. The next prime is 122626021459. The reversal of 122626021441 is 144120626221.

It is not a de Polignac number, because 122626021441 - 2⁹ = 122626020929 is a prime.

It is a super-2 number, since 2×122626021441² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122626027441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 769846 + ... + 915376.

It is an arithmetic number, because the mean of its divisors is an integer number (4945759488).

Almost surely, 2^122626021441 is an apocalyptic number.

122626021441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122626021441 is a deficient number, since it is larger than the sum of its proper divisors (35638282175).

122626021441 is a wasteful number, since it uses less digits than its factorization.

122626021441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145933.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 122626021441 its reverse (144120626221), we get a palindrome (266746647662).

The spelling of 122626021441 in words is "one hundred twenty-two billion, six hundred twenty-six million, twenty-one thousand, four hundred forty-one".