1123469449 has 16 divisors (see below), whose sum is σ = 1193518080. Its totient is φ = 1054563840.

The previous prime is 1123469437. The next prime is 1123469509. The reversal of 1123469449 is 9449643211.

It is not a de Polignac number, because 1123469449 - 2⁹ = 1123468937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123469749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280599 + ... + 1281475.

It is an arithmetic number, because the mean of its divisors is an integer number (74594880).

Almost surely, 2^1123469449 is an apocalyptic number.

1123469449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1123469449 is a deficient number, since it is larger than the sum of its proper divisors (70048631).

1123469449 is a wasteful number, since it uses less digits than its factorization.

1123469449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440.

The product of its digits is 186624, while the sum is 43.

The square root of 1123469449 is about 33518.1957897498. The cubic root of 1123469449 is about 1039.5700420070.

The spelling of 1123469449 in words is "one billion, one hundred twenty-three million, four hundred sixty-nine thousand, four hundred forty-nine".