1127252747 has 16 divisors (see below), whose sum is σ = 1205729280. Its totient is φ = 1051403232.

The previous prime is 1127252741. The next prime is 1127252771. The reversal of 1127252747 is 7472527211.

It is not a de Polignac number, because 1127252747 - 2²⁶ = 1060143883 is a prime.

It is a Duffinian number.

1127252747 is a modest number, since divided by 252747 gives 1127 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1127252747.

It is not an unprimeable number, because it can be changed into a prime (1127252741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314954 + ... + 318512.

It is an arithmetic number, because the mean of its divisors is an integer number (75358080).

Almost surely, 2^1127252747 is an apocalyptic number.

1127252747 is a deficient number, since it is larger than the sum of its proper divisors (78476533).

1127252747 is a wasteful number, since it uses less digits than its factorization.

1127252747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922.

The product of its digits is 54880, while the sum is 38.

The square root of 1127252747 is about 33574.5848373439. The cubic root of 1127252747 is about 1040.7356564619.

Adding to 1127252747 its reverse (7472527211), we get a palindrome (8599779958).

The spelling of 1127252747 in words is "one billion, one hundred twenty-seven million, two hundred fifty-two thousand, seven hundred forty-seven".