122197641 has 4 divisors (see below), whose sum is σ = 162930192. Its totient is φ = 81465092.

The previous prime is 122197639. The next prime is 122197651. The reversal of 122197641 is 146791221.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 122197641 - 2¹ = 122197639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122197601) 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, 20366271 + ... + 20366276.

It is an arithmetic number, because the mean of its divisors is an integer number (40732548).

Almost surely, 2^122197641 is an apocalyptic number.

It is an amenable number.

122197641 is a deficient number, since it is larger than the sum of its proper divisors (40732551).

122197641 is an equidigital number, since it uses as much as digits as its factorization.

122197641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40732550.

The product of its digits is 6048, while the sum is 33.

The square root of 122197641 is about 11054.3041843438. The cubic root of 122197641 is about 496.2352457296.

The spelling of 122197641 in words is "one hundred twenty-two million, one hundred ninety-seven thousand, six hundred forty-one".