122315077 has 8 divisors (see below), whose sum is σ = 124371800. Its totient is φ = 120268800.

The previous prime is 122315047. The next prime is 122315087. The reversal of 122315077 is 770513221.

It can be written as a sum of positive squares in 4 ways, for example, as 37564641 + 84750436 = 6129^2 + 9206^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122315077 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 (122315047) 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, 23077 + ... + 27877.

It is an arithmetic number, because the mean of its divisors is an integer number (15546475).

Almost surely, 2^122315077 is an apocalyptic number.

It is an amenable number.

122315077 is a deficient number, since it is larger than the sum of its proper divisors (2056723).

122315077 is an equidigital number, since it uses as much as digits as its factorization.

122315077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5223.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 122315077 is about 11059.6146858740. The cubic root of 122315077 is about 496.3941610285.

Adding to 122315077 its reverse (770513221), we get a palindrome (892828298).

The spelling of 122315077 in words is "one hundred twenty-two million, three hundred fifteen thousand, seventy-seven".