122773537 has 2 divisors, whose sum is σ = 122773538. Its totient is φ = 122773536.

The previous prime is 122773531. The next prime is 122773549. The reversal of 122773537 is 735377221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113188321 + 9585216 = 10639^2 + 3096^2 .

It is a cyclic number.

It is not a de Polignac number, because 122773537 - 2¹¹ = 122771489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122773496 and 122773505.

It is not a weakly prime, because it can be changed into another prime (122773531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61386768 + 61386769.

It is an arithmetic number, because the mean of its divisors is an integer number (61386769).

Almost surely, 2^122773537 is an apocalyptic number.

It is an amenable number.

122773537 is a deficient number, since it is larger than the sum of its proper divisors (1).

122773537 is an equidigital number, since it uses as much as digits as its factorization.

122773537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61740, while the sum is 37.

The square root of 122773537 is about 11080.3220621063. The cubic root of 122773537 is about 497.0135807805.

The spelling of 122773537 in words is "one hundred twenty-two million, seven hundred seventy-three thousand, five hundred thirty-seven".