122783537253 has 32 divisors (see below), whose sum is σ = 179247332992. Its totient is φ = 74298643200.

The previous prime is 122783537237. The next prime is 122783537267. The reversal of 122783537253 is 352735387221.

It is not a de Polignac number, because 122783537253 - 2⁴ = 122783537237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122783532253) 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 31 ways as a sum of consecutive naturals, for example, 12358698 + ... + 12368628.

It is an arithmetic number, because the mean of its divisors is an integer number (5601479156).

Almost surely, 2^122783537253 is an apocalyptic number.

122783537253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122783537253 is a deficient number, since it is larger than the sum of its proper divisors (56463795739).

122783537253 is a wasteful number, since it uses less digits than its factorization.

122783537253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15205.

The product of its digits is 2116800, while the sum is 48.

The spelling of 122783537253 in words is "one hundred twenty-two billion, seven hundred eighty-three million, five hundred thirty-seven thousand, two hundred fifty-three".