122152507077 has 8 divisors (see below), whose sum is σ = 163181426464. Its totient is φ = 81279296208.

The previous prime is 122152507069. The next prime is 122152507091. The reversal of 122152507077 is 770705251221.

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

It is not a de Polignac number, because 122152507077 - 2³ = 122152507069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122152507277) 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, 38925298 + ... + 38928435.

It is an arithmetic number, because the mean of its divisors is an integer number (20397678308).

Almost surely, 2^122152507077 is an apocalyptic number.

It is an amenable number.

122152507077 is a deficient number, since it is larger than the sum of its proper divisors (41028919387).

122152507077 is an equidigital number, since it uses as much as digits as its factorization.

122152507077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77854259.

The product of its (nonzero) digits is 68600, while the sum is 39.

Adding to 122152507077 its reverse (770705251221), we get a palindrome (892857758298).

The spelling of 122152507077 in words is "one hundred twenty-two billion, one hundred fifty-two million, five hundred seven thousand, seventy-seven".