122261843 has 8 divisors (see below), whose sum is σ = 133588656. Its totient is φ = 110970400.

The previous prime is 122261809. The next prime is 122261879. The reversal of 122261843 is 348162221.

It is a happy number.

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 122261843 - 2¹² = 122257747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122261803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1328 + ... + 15693.

It is an arithmetic number, because the mean of its divisors is an integer number (16698582).

Almost surely, 2^122261843 is an apocalyptic number.

122261843 is a deficient number, since it is larger than the sum of its proper divisors (11326813).

122261843 is a wasteful number, since it uses less digits than its factorization.

122261843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17685.

The product of its digits is 4608, while the sum is 29.

The square root of 122261843 is about 11057.2077397506. The cubic root of 122261843 is about 496.3221369796.

The spelling of 122261843 in words is "one hundred twenty-two million, two hundred sixty-one thousand, eight hundred forty-three".