122663336537 has 4 divisors (see below), whose sum is σ = 140186670336. Its totient is φ = 105140002740.

The previous prime is 122663336473. The next prime is 122663336557. The reversal of 122663336537 is 735633366221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 735633366221 = 13 ⋅56587182017.

It is a cyclic number.

It is not a de Polignac number, because 122663336537 - 2⁶ = 122663336473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122663336491 and 122663336500.

It is not an unprimeable number, because it can be changed into a prime (122663336557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8761666889 + ... + 8761666902.

It is an arithmetic number, because the mean of its divisors is an integer number (35046667584).

Almost surely, 2^122663336537 is an apocalyptic number.

It is an amenable number.

122663336537 is a deficient number, since it is larger than the sum of its proper divisors (17523333799).

122663336537 is an equidigital number, since it uses as much as digits as its factorization.

122663336537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17523333798.

The product of its digits is 2449440, while the sum is 47.

The spelling of 122663336537 in words is "one hundred twenty-two billion, six hundred sixty-three million, three hundred thirty-six thousand, five hundred thirty-seven".