1138701227 has 12 divisors (see below), whose sum is σ = 1197063504. Its totient is φ = 1081103760.

The previous prime is 1138701209. The next prime is 1138701229. The reversal of 1138701227 is 7221078311.

It is not a de Polignac number, because 1138701227 - 2⁶ = 1138701163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1138701193 and 1138701202.

It is not an unprimeable number, because it can be changed into a prime (1138701229) 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 11 ways as a sum of consecutive naturals, for example, 2176988 + ... + 2177510.

It is an arithmetic number, because the mean of its divisors is an integer number (99755292).

Almost surely, 2^1138701227 is an apocalyptic number.

1138701227 is a deficient number, since it is larger than the sum of its proper divisors (58362277).

1138701227 is an frugal number, since it uses more digits than its factorization.

1138701227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 1138701227 is about 33744.6473829554. The cubic root of 1138701227 is about 1044.2470639884.

Adding to 1138701227 its reverse (7221078311), we get a palindrome (8359779538).

The spelling of 1138701227 in words is "one billion, one hundred thirty-eight million, seven hundred one thousand, two hundred twenty-seven".