1049178745 has 16 divisors (see below), whose sum is σ = 1270684800. Its totient is φ = 831600000.

The previous prime is 1049178709. The next prime is 1049178751. The reversal of 1049178745 is 5478719401.

It is a happy number.

It is not a de Polignac number, because 1049178745 - 2¹⁹ = 1048654457 is a prime.

It is a super-2 number, since 2×1049178745² = 2201552077919550050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1049178695 and 1049178704.

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, 247645 + ... + 251845.

It is an arithmetic number, because the mean of its divisors is an integer number (79417800).

Almost surely, 2^1049178745 is an apocalyptic number.

It is an amenable number.

1049178745 is a deficient number, since it is larger than the sum of its proper divisors (221506055).

1049178745 is a wasteful number, since it uses less digits than its factorization.

1049178745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 1049178745 is about 32391.0287734119. The cubic root of 1049178745 is about 1016.1312970340.

The spelling of 1049178745 in words is "one billion, forty-nine million, one hundred seventy-eight thousand, seven hundred forty-five".