122273951461 has 4 divisors (see below), whose sum is σ = 122279884524. Its totient is φ = 122268018400.

The previous prime is 122273951453. The next prime is 122273951473. The reversal of 122273951461 is 164159372221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32771860900 + 89502090561 = 181030^2 + 299169^2 .

It is a cyclic number.

It is not a de Polignac number, because 122273951461 - 2³ = 122273951453 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 (122273951431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2935510 + ... + 2976871.

It is an arithmetic number, because the mean of its divisors is an integer number (30569971131).

Almost surely, 2^122273951461 is an apocalyptic number.

It is an amenable number.

122273951461 is a deficient number, since it is larger than the sum of its proper divisors (5933063).

122273951461 is an equidigital number, since it uses as much as digits as its factorization.

122273951461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5933062.

The product of its digits is 181440, while the sum is 43.

The spelling of 122273951461 in words is "one hundred twenty-two billion, two hundred seventy-three million, nine hundred fifty-one thousand, four hundred sixty-one".