1127139 has 8 divisors (see below), whose sum is σ = 1618512. Its totient is φ = 693600.

The previous prime is 1127123. The next prime is 1127149. The reversal of 1127139 is 9317211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1127139 - 2⁴ = 1127123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1127149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14412 + ... + 14489.

It is an arithmetic number, because the mean of its divisors is an integer number (202314).

2^1127139 is an apocalyptic number.

1127139 is a deficient number, since it is larger than the sum of its proper divisors (491373).

1127139 is a wasteful number, since it uses less digits than its factorization.

1127139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28917.

The product of its digits is 378, while the sum is 24.

The square root of 1127139 is about 1061.6680272100. The cubic root of 1127139 is about 104.0700649660.

It can be divided in two parts, 11271 and 39, that multiplied together give a square (439569 = 663²).

The spelling of 1127139 in words is "one million, one hundred twenty-seven thousand, one hundred thirty-nine".