122155546 has 8 divisors (see below), whose sum is σ = 183306420. Its totient is φ = 61053408.

The previous prime is 122155519. The next prime is 122155549. The reversal of 122155546 is 645551221.

It can be written as a sum of positive squares in 2 ways, for example, as 95746225 + 26409321 = 9785^2 + 5139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (122155549) 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, 5091 + ... + 16438.

Almost surely, 2^122155546 is an apocalyptic number.

122155546 is a deficient number, since it is larger than the sum of its proper divisors (61150874).

122155546 is a wasteful number, since it uses less digits than its factorization.

122155546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24368.

The product of its digits is 12000, while the sum is 31.

The square root of 122155546 is about 11052.4000108574. The cubic root of 122155546 is about 496.1782576634.

The spelling of 122155546 in words is "one hundred twenty-two million, one hundred fifty-five thousand, five hundred forty-six".