1123469457 has 16 divisors (see below), whose sum is σ = 1635526080. Its totient is φ = 680312000.

The previous prime is 1123469437. The next prime is 1123469509. The reversal of 1123469457 is 7549643211.

It is a cyclic number.

It is not a de Polignac number, because 1123469457 - 2¹⁵ = 1123436689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123469407) 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, 26707 + ... + 54407.

It is an arithmetic number, because the mean of its divisors is an integer number (102220380).

Almost surely, 2^1123469457 is an apocalyptic number.

It is an amenable number.

1123469457 is a deficient number, since it is larger than the sum of its proper divisors (512056623).

1123469457 is a wasteful number, since it uses less digits than its factorization.

1123469457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28944.

The product of its digits is 181440, while the sum is 42.

The square root of 1123469457 is about 33518.1959090879. The cubic root of 1123469457 is about 1039.5700444745.

The spelling of 1123469457 in words is "one billion, one hundred twenty-three million, four hundred sixty-nine thousand, four hundred fifty-seven".