11950129 has 2 divisors, whose sum is σ = 11950130. Its totient is φ = 11950128.

The previous prime is 11950123. The next prime is 11950139. The reversal of 11950129 is 92105911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11390625 + 559504 = 3375^2 + 748^2 .

It is an emirp because it is prime and its reverse (92105911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11950129 - 2³ = 11950121 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11950097 and 11950106.

It is not a weakly prime, because it can be changed into another prime (11950121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5975064 + 5975065.

It is an arithmetic number, because the mean of its divisors is an integer number (5975065).

Almost surely, 2^11950129 is an apocalyptic number.

It is an amenable number.

11950129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11950129 is an equidigital number, since it uses as much as digits as its factorization.

11950129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 28.

The square root of 11950129 is about 3456.8958618969. The cubic root of 11950129 is about 228.6252523358.

The spelling of 11950129 in words is "eleven million, nine hundred fifty thousand, one hundred twenty-nine".