122190549 has 16 divisors (see below), whose sum is σ = 176500800. Its totient is φ = 75190128.

The previous prime is 122190547. The next prime is 122190571. The reversal of 122190549 is 945091221.

It is not a de Polignac number, because 122190549 - 2¹ = 122190547 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122190547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2679 + ... + 15860.

It is an arithmetic number, because the mean of its divisors is an integer number (11031300).

Almost surely, 2^122190549 is an apocalyptic number.

It is an amenable number.

122190549 is a deficient number, since it is larger than the sum of its proper divisors (54310251).

122190549 is an equidigital number, since it uses as much as digits as its factorization.

122190549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18581 (or 18555 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 122190549 is about 11053.9833996619. The cubic root of 122190549 is about 496.2256455212.

The spelling of 122190549 in words is "one hundred twenty-two million, one hundred ninety thousand, five hundred forty-nine".