11123929 has 2 divisors, whose sum is σ = 11123930. Its totient is φ = 11123928.

The previous prime is 11123923. The next prime is 11123953. The reversal of 11123929 is 92932111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10017225 + 1106704 = 3165^2 + 1052^2 .

It is a cyclic number.

It is not a de Polignac number, because 11123929 - 2¹¹ = 11121881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11123897 and 11123906.

It is not a weakly prime, because it can be changed into another prime (11123923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561964 + 5561965.

It is an arithmetic number, because the mean of its divisors is an integer number (5561965).

Almost surely, 2^11123929 is an apocalyptic number.

It is an amenable number.

11123929 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123929 is an equidigital number, since it uses as much as digits as its factorization.

11123929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 28.

The square root of 11123929 is about 3335.2554624796. The cubic root of 11123929 is about 223.2300908909.

It can be divided in two parts, 1112 and 3929, that added together give a square (5041 = 71²).

The spelling of 11123929 in words is "eleven million, one hundred twenty-three thousand, nine hundred twenty-nine".