1127161605 has 32 divisors (see below), whose sum is σ = 1909434240. Its totient is φ = 566196480.

The previous prime is 1127161583. The next prime is 1127161649. The reversal of 1127161605 is 5061617211.

It is not a de Polignac number, because 1127161605 - 2¹⁰ = 1127160581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37875 + ... + 60735.

It is an arithmetic number, because the mean of its divisors is an integer number (59669820).

Almost surely, 2^1127161605 is an apocalyptic number.

1127161605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1127161605 is a deficient number, since it is larger than the sum of its proper divisors (782272635).

1127161605 is a wasteful number, since it uses less digits than its factorization.

1127161605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23061.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 1127161605 is about 33573.2275034737. The cubic root of 1127161605 is about 1040.7076067674.

Adding to 1127161605 its reverse (5061617211), we get a palindrome (6188778816).

The spelling of 1127161605 in words is "one billion, one hundred twenty-seven million, one hundred sixty-one thousand, six hundred five".