11955129 has 8 divisors (see below), whose sum is σ = 15957600. Its totient is φ = 7961376.

The previous prime is 11955121. The next prime is 11955133. The reversal of 11955129 is 92155911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11955129 - 2³ = 11955121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11955129.

It is not an unprimeable number, because it can be changed into a prime (11955121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2397 + ... + 5445.

It is an arithmetic number, because the mean of its divisors is an integer number (1994700).

Almost surely, 2^11955129 is an apocalyptic number.

It is an amenable number.

11955129 is a deficient number, since it is larger than the sum of its proper divisors (4002471).

11955129 is a wasteful number, since it uses less digits than its factorization.

11955129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359.

The product of its digits is 4050, while the sum is 33.

The square root of 11955129 is about 3457.6189784301. The cubic root of 11955129 is about 228.6571339127.

The spelling of 11955129 in words is "eleven million, nine hundred fifty-five thousand, one hundred twenty-nine".