1127872723 has 4 divisors (see below), whose sum is σ = 1131104800. Its totient is φ = 1124640648.

The previous prime is 1127872693. The next prime is 1127872729. The reversal of 1127872723 is 3272787211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3272787211 = 31 ⋅105573781.

It is a cyclic number.

It is not a de Polignac number, because 1127872723 - 2⁹ = 1127872211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1127872729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1615515 + ... + 1616212.

It is an arithmetic number, because the mean of its divisors is an integer number (282776200).

Almost surely, 2^1127872723 is an apocalyptic number.

1127872723 is a deficient number, since it is larger than the sum of its proper divisors (3232077).

1127872723 is an equidigital number, since it uses as much as digits as its factorization.

1127872723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232076.

The product of its digits is 65856, while the sum is 40.

The square root of 1127872723 is about 33583.8163852770. The cubic root of 1127872723 is about 1040.9264190267.

The spelling of 1127872723 in words is "one billion, one hundred twenty-seven million, eight hundred seventy-two thousand, seven hundred twenty-three".