122197481 has 8 divisors (see below), whose sum is σ = 141739200. Its totient is φ = 103177008.

The previous prime is 122197451. The next prime is 122197499. The reversal of 122197481 is 184791221.

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

It is a cyclic number.

It is not a de Polignac number, because 122197481 - 2¹⁰ = 122196457 is a prime.

It is a super-2 number, since 2×122197481² = 29864448725490722, 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 (122197451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129806 + ... + 130743.

It is an arithmetic number, because the mean of its divisors is an integer number (17717400).

Almost surely, 2^122197481 is an apocalyptic number.

It is an amenable number.

122197481 is a deficient number, since it is larger than the sum of its proper divisors (19541719).

122197481 is an equidigital number, since it uses as much as digits as its factorization.

122197481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260623.

The product of its digits is 8064, while the sum is 35.

The square root of 122197481 is about 11054.2969473413. The cubic root of 122197481 is about 496.2350291469.

The spelling of 122197481 in words is "one hundred twenty-two million, one hundred ninety-seven thousand, four hundred eighty-one".