122155027 has 2 divisors, whose sum is σ = 122155028. Its totient is φ = 122155026.

The previous prime is 122154961. The next prime is 122155037. The reversal of 122155027 is 720551221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122155027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122154992 and 122155010.

It is not a weakly prime, because it can be changed into another prime (122155037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61077513 + 61077514.

It is an arithmetic number, because the mean of its divisors is an integer number (61077514).

Almost surely, 2^122155027 is an apocalyptic number.

122155027 is a deficient number, since it is larger than the sum of its proper divisors (1).

122155027 is an equidigital number, since it uses as much as digits as its factorization.

122155027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 122155027 is about 11052.3765317691. The cubic root of 122155027 is about 496.1775549613.

The spelling of 122155027 in words is "one hundred twenty-two million, one hundred fifty-five thousand, twenty-seven".