11801129 has 2 divisors, whose sum is σ = 11801130. Its totient is φ = 11801128.

The previous prime is 11801063. The next prime is 11801149. The reversal of 11801129 is 92110811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8133904 + 3667225 = 2852^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 11801129 - 2¹² = 11797033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11801149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5900564 + 5900565.

It is an arithmetic number, because the mean of its divisors is an integer number (5900565).

Almost surely, 2^11801129 is an apocalyptic number.

It is an amenable number.

11801129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11801129 is an equidigital number, since it uses as much as digits as its factorization.

11801129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 11801129 is about 3435.2771358364. The cubic root of 11801129 is about 227.6710720682.

The spelling of 11801129 in words is "eleven million, eight hundred one thousand, one hundred twenty-nine".