122621401177 has 8 divisors (see below), whose sum is σ = 133830217440. Its totient is φ = 111422820960.

The previous prime is 122621401171. The next prime is 122621401193. The reversal of 122621401177 is 771104126221.

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

It is a de Polignac number, because none of the positive numbers 2^k-122621401177 is a prime.

It is a super-2 number, since 2×122621401177² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122621401171) 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 7 ways as a sum of consecutive naturals, for example, 2533948 + ... + 2581885.

It is an arithmetic number, because the mean of its divisors is an integer number (16728777180).

Almost surely, 2^122621401177 is an apocalyptic number.

It is an amenable number.

122621401177 is a deficient number, since it is larger than the sum of its proper divisors (11208816263).

122621401177 is a wasteful number, since it uses less digits than its factorization.

122621401177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118023.

The product of its (nonzero) digits is 9408, while the sum is 34.

Adding to 122621401177 its reverse (771104126221), we get a palindrome (893725527398).

The spelling of 122621401177 in words is "one hundred twenty-two billion, six hundred twenty-one million, four hundred one thousand, one hundred seventy-seven".