1124857745 has 12 divisors (see below), whose sum is σ = 1483697460. Its totient is φ = 818077920.

The previous prime is 1124857729. The next prime is 1124857753. The reversal of 1124857745 is 5477584211.

It can be written as a sum of positive squares in 2 ways, for example, as 855504001 + 269353744 = 29249^2 + 16412^2 .

It is not a de Polignac number, because 1124857745 - 2⁴ = 1124857729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1124857696 and 1124857705.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 929030 + ... + 930239.

It is an arithmetic number, because the mean of its divisors is an integer number (123641455).

Almost surely, 2^1124857745 is an apocalyptic number.

It is an amenable number.

1124857745 is a deficient number, since it is larger than the sum of its proper divisors (358839715).

1124857745 is a wasteful number, since it uses less digits than its factorization.

1124857745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859296 (or 1859285 counting only the distinct ones).

The product of its digits is 313600, while the sum is 44.

The square root of 1124857745 is about 33538.8989831211. The cubic root of 1124857745 is about 1039.9980722967.

The spelling of 1124857745 in words is "one billion, one hundred twenty-four million, eight hundred fifty-seven thousand, seven hundred forty-five".