122445367231 has 4 divisors (see below), whose sum is σ = 133576764264. Its totient is φ = 111313970200.

The previous prime is 122445367229. The next prime is 122445367259. The reversal of 122445367231 is 132763544221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122445367231 - 2¹ = 122445367229 is a prime.

It is a super-2 number, since 2×122445367231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122445367201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5565698500 + ... + 5565698521.

It is an arithmetic number, because the mean of its divisors is an integer number (33394191066).

Almost surely, 2^122445367231 is an apocalyptic number.

122445367231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122445367231 is a deficient number, since it is larger than the sum of its proper divisors (11131397033).

122445367231 is a wasteful number, since it uses less digits than its factorization.

122445367231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11131397032.

The product of its digits is 241920, while the sum is 40.

The spelling of 122445367231 in words is "one hundred twenty-two billion, four hundred forty-five million, three hundred sixty-seven thousand, two hundred thirty-one".