122531369 has 4 divisors (see below), whose sum is σ = 123655620. Its totient is φ = 121407120.

The previous prime is 122531347. The next prime is 122531401. The reversal of 122531369 is 963135221.

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 103938025 + 18593344 = 10195^2 + 4312^2 .

It is a cyclic number.

It is not a de Polignac number, because 122531369 - 2⁸ = 122531113 is a prime.

It is a super-2 number, since 2×122531369² = 30027872778028322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122531069) 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, 561962 + ... + 562179.

It is an arithmetic number, because the mean of its divisors is an integer number (30913905).

Almost surely, 2^122531369 is an apocalyptic number.

It is an amenable number.

122531369 is a deficient number, since it is larger than the sum of its proper divisors (1124251).

122531369 is a wasteful number, since it uses less digits than its factorization.

122531369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124250.

The product of its digits is 9720, while the sum is 32.

The square root of 122531369 is about 11069.3888268504. The cubic root of 122531369 is about 496.6865830389.

The spelling of 122531369 in words is "one hundred twenty-two million, five hundred thirty-one thousand, three hundred sixty-nine".