11121929 has 8 divisors (see below), whose sum is σ = 13688640. Its totient is φ = 8799696.

The previous prime is 11121919. The next prime is 11121953. The reversal of 11121929 is 92912111.

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

It is a cyclic number.

It is not a de Polignac number, because 11121929 - 2¹² = 11117833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11121898 and 11121907.

It is not an unprimeable number, because it can be changed into a prime (11121919) 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 in 7 ways as a sum of consecutive naturals, for example, 61019 + ... + 61200.

It is an arithmetic number, because the mean of its divisors is an integer number (1711080).

Almost surely, 2^11121929 is an apocalyptic number.

It is an amenable number.

11121929 is a deficient number, since it is larger than the sum of its proper divisors (2566711).

11121929 is a wasteful number, since it uses less digits than its factorization.

11121929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122239.

The product of its digits is 324, while the sum is 26.

The square root of 11121929 is about 3334.9556218936. The cubic root of 11121929 is about 223.2167117170.

The spelling of 11121929 in words is "eleven million, one hundred twenty-one thousand, nine hundred twenty-nine".