1123550929 has 4 divisors (see below), whose sum is σ = 1123887600. Its totient is φ = 1123214260.

The previous prime is 1123550899. The next prime is 1123550941. The reversal of 1123550929 is 9290553211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123550929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123550969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163279 + ... + 170020.

It is an arithmetic number, because the mean of its divisors is an integer number (280971900).

Almost surely, 2^1123550929 is an apocalyptic number.

It is an amenable number.

1123550929 is a deficient number, since it is larger than the sum of its proper divisors (336671).

1123550929 is an equidigital number, since it uses as much as digits as its factorization.

1123550929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336670.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 1123550929 is about 33519.4112269294. The cubic root of 1123550929 is about 1039.5951731218.

The spelling of 1123550929 in words is "one billion, one hundred twenty-three million, five hundred fifty thousand, nine hundred twenty-nine".