122842877 has 2 divisors, whose sum is σ = 122842878. Its totient is φ = 122842876.

The previous prime is 122842871. The next prime is 122842883. The reversal of 122842877 is 778248221.

It is a balanced prime because it is at equal distance from previous prime (122842871) and next prime (122842883).

It can be written as a sum of positive squares in only one way, i.e., 72914521 + 49928356 = 8539^2 + 7066^2 .

It is an emirp because it is prime and its reverse (778248221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122842877 - 2⁶ = 122842813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122842871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61421438 + 61421439.

It is an arithmetic number, because the mean of its divisors is an integer number (61421439).

Almost surely, 2^122842877 is an apocalyptic number.

It is an amenable number.

122842877 is a deficient number, since it is larger than the sum of its proper divisors (1).

122842877 is an equidigital number, since it uses as much as digits as its factorization.

122842877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100352, while the sum is 41.

The square root of 122842877 is about 11083.4505908584. The cubic root of 122842877 is about 497.1071308961.

The spelling of 122842877 in words is "one hundred twenty-two million, eight hundred forty-two thousand, eight hundred seventy-seven".