122190841 has 4 divisors (see below), whose sum is σ = 122284800. Its totient is φ = 122096884.

The previous prime is 122190839. The next prime is 122190847. The reversal of 122190841 is 148091221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 148091221 = 41 ⋅3611981.

It is a cyclic number.

It is not a de Polignac number, because 122190841 - 2¹ = 122190839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122190847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45001 + ... + 47638.

It is an arithmetic number, because the mean of its divisors is an integer number (30571200).

Almost surely, 2^122190841 is an apocalyptic number.

It is an amenable number.

122190841 is a deficient number, since it is larger than the sum of its proper divisors (93959).

122190841 is an equidigital number, since it uses as much as digits as its factorization.

122190841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93958.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 122190841 is about 11053.9966075624. The cubic root of 122190841 is about 496.2260407994.

The spelling of 122190841 in words is "one hundred twenty-two million, one hundred ninety thousand, eight hundred forty-one".