1139727127 has 24 divisors (see below), whose sum is σ = 1436155776. Its totient is φ = 878700000.

The previous prime is 1139727101. The next prime is 1139727139. The reversal of 1139727127 is 7217279311.

It is not a de Polignac number, because 1139727127 - 2¹⁵ = 1139694359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1139727127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139727157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 784752 + ... + 786202.

It is an arithmetic number, because the mean of its divisors is an integer number (59839824).

Almost surely, 2^1139727127 is an apocalyptic number.

1139727127 is a deficient number, since it is larger than the sum of its proper divisors (296428649).

1139727127 is a wasteful number, since it uses less digits than its factorization.

1139727127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671 (or 1570 counting only the distinct ones).

The product of its digits is 37044, while the sum is 40.

The square root of 1139727127 is about 33759.8448900465. The cubic root of 1139727127 is about 1044.5605707202.

The spelling of 1139727127 in words is "one billion, one hundred thirty-nine million, seven hundred twenty-seven thousand, one hundred twenty-seven".