1169042745 has 16 divisors (see below), whose sum is σ = 2014350912. Its totient is φ = 575528640.

The previous prime is 1169042741. The next prime is 1169042753. The reversal of 1169042745 is 5472409611.

It is not a de Polignac number, because 1169042745 - 2² = 1169042741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1169042741) 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, 2997351 + ... + 2997740.

It is an arithmetic number, because the mean of its divisors is an integer number (125896932).

Almost surely, 2^1169042745 is an apocalyptic number.

1169042745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1169042745 is a deficient number, since it is larger than the sum of its proper divisors (845308167).

1169042745 is a wasteful number, since it uses less digits than its factorization.

1169042745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5995112.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1169042745 is about 34191.2670867869. The cubic root of 1169042745 is about 1053.4407895124.

The spelling of 1169042745 in words is "one billion, one hundred sixty-nine million, forty-two thousand, seven hundred forty-five".