1123313029 has 8 divisors (see below), whose sum is σ = 1193220288. Its totient is φ = 1053831360.

The previous prime is 1123313027. The next prime is 1123313083. The reversal of 1123313029 is 9203133211.

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

It is not a de Polignac number, because 1123313029 - 2¹ = 1123313027 is a prime.

It is a super-2 number, since 2×1123313029² = 2523664322242309682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123312994 and 1123313012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123313027) 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, 100947 + ... + 111520.

It is an arithmetic number, because the mean of its divisors is an integer number (149152536).

Almost surely, 2^1123313029 is an apocalyptic number.

It is an amenable number.

1123313029 is a deficient number, since it is larger than the sum of its proper divisors (69907259).

1123313029 is a wasteful number, since it uses less digits than its factorization.

1123313029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212795.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1123313029 is about 33515.8623490430. The cubic root of 1123313029 is about 1039.5217935230.

The spelling of 1123313029 in words is "one billion, one hundred twenty-three million, three hundred thirteen thousand, twenty-nine".