1880122129 has 2 divisors, whose sum is σ = 1880122130. Its totient is φ = 1880122128.

The previous prime is 1880122073. The next prime is 1880122133. The reversal of 1880122129 is 9212210881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1334806225 + 545315904 = 36535^2 + 23352^2 .

It is an emirp because it is prime and its reverse (9212210881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1880122129 - 2¹⁵ = 1880089361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1880122094 and 1880122103.

It is not a weakly prime, because it can be changed into another prime (1880122169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 940061064 + 940061065.

It is an arithmetic number, because the mean of its divisors is an integer number (940061065).

Almost surely, 2^1880122129 is an apocalyptic number.

It is an amenable number.

1880122129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1880122129 is an equidigital number, since it uses as much as digits as its factorization.

1880122129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 1880122129 is about 43360.3751021598. The cubic root of 1880122129 is about 1234.2278834648.

The spelling of 1880122129 in words is "one billion, eight hundred eighty million, one hundred twenty-two thousand, one hundred twenty-nine".