122355537 has 4 divisors (see below), whose sum is σ = 163140720. Its totient is φ = 81570356.

The previous prime is 122355533. The next prime is 122355539. The reversal of 122355537 is 735553221.

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.

It is a cyclic number.

It is not a de Polignac number, because 122355537 - 2² = 122355533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122355498 and 122355507.

It is not an unprimeable number, because it can be changed into a prime (122355533) 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, 20392587 + ... + 20392592.

It is an arithmetic number, because the mean of its divisors is an integer number (40785180).

Almost surely, 2^122355537 is an apocalyptic number.

It is an amenable number.

122355537 is a deficient number, since it is larger than the sum of its proper divisors (40785183).

122355537 is an equidigital number, since it uses as much as digits as its factorization.

122355537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40785182.

The product of its digits is 31500, while the sum is 33.

The square root of 122355537 is about 11061.4437122828. The cubic root of 122355537 is about 496.4488882519.

The spelling of 122355537 in words is "one hundred twenty-two million, three hundred fifty-five thousand, five hundred thirty-seven".