1128461169 has 16 divisors (see below), whose sum is σ = 1679572224. Its totient is φ = 668010000.

The previous prime is 1128461161. The next prime is 1128461177. The reversal of 1128461169 is 9611648211.

It is an interprime number because it is at equal distance from previous prime (1128461161) and next prime (1128461177).

It is not a de Polignac number, because 1128461169 - 2³ = 1128461161 is a prime.

It is a super-2 number, since 2×1128461169² = 2546849219881693122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1128461161) 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, 396207 + ... + 399044.

It is an arithmetic number, because the mean of its divisors is an integer number (104973264).

Almost surely, 2^1128461169 is an apocalyptic number.

It is an amenable number.

1128461169 is a deficient number, since it is larger than the sum of its proper divisors (551111055).

1128461169 is a wasteful number, since it uses less digits than its factorization.

1128461169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795308.

The product of its digits is 20736, while the sum is 39.

The square root of 1128461169 is about 33592.5760994896. The cubic root of 1128461169 is about 1041.1074153634.

The spelling of 1128461169 in words is "one billion, one hundred twenty-eight million, four hundred sixty-one thousand, one hundred sixty-nine".