1123573745 has 16 divisors (see below), whose sum is σ = 1541608320. Its totient is φ = 770097024.

The previous prime is 1123573697. The next prime is 1123573777. The reversal of 1123573745 is 5473753211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1123573745 - 2⁸ = 1123573489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123573699 and 1123573708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87029 + ... + 99101.

It is an arithmetic number, because the mean of its divisors is an integer number (96350520).

Almost surely, 2^1123573745 is an apocalyptic number.

It is an amenable number.

1123573745 is a deficient number, since it is larger than the sum of its proper divisors (418034575).

1123573745 is a wasteful number, since it uses less digits than its factorization.

1123573745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14744.

The product of its digits is 88200, while the sum is 38.

The square root of 1123573745 is about 33519.7515653085. The cubic root of 1123573745 is about 1039.6022101098.

The spelling of 1123573745 in words is "one billion, one hundred twenty-three million, five hundred seventy-three thousand, seven hundred forty-five".