122507533 has 4 divisors (see below), whose sum is σ = 122776060. Its totient is φ = 122239008.

The previous prime is 122507519. The next prime is 122507537. The reversal of 122507533 is 335705221.

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 110103049 + 12404484 = 10493^2 + 3522^2 .

It is a cyclic number.

It is not a de Polignac number, because 122507533 - 2⁵ = 122507501 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 (122507537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133578 + ... + 134491.

It is an arithmetic number, because the mean of its divisors is an integer number (30694015).

Almost surely, 2^122507533 is an apocalyptic number.

It is an amenable number.

122507533 is a deficient number, since it is larger than the sum of its proper divisors (268527).

122507533 is an equidigital number, since it uses as much as digits as its factorization.

122507533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268526.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 122507533 is about 11068.3121116094. The cubic root of 122507533 is about 496.6543741734.

The spelling of 122507533 in words is "one hundred twenty-two million, five hundred seven thousand, five hundred thirty-three".