1127399 has 12 divisors (see below), whose sum is σ = 1396656. Its totient is φ = 891072.

The previous prime is 1127393. The next prime is 1127407. The reversal of 1127399 is 9937211.

It is a happy number.

It is not a de Polignac number, because 1127399 - 2⁴ = 1127383 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 707 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (116388).

2^1127399 is an apocalyptic number.

1127399 is a deficient number, since it is larger than the sum of its proper divisors (269257).

1127399 is an equidigital number, since it uses as much as digits as its factorization.

1127399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986 (or 973 counting only the distinct ones).

The product of its digits is 3402, while the sum is 32.

The square root of 1127399 is about 1061.7904689721. The cubic root of 1127399 is about 104.0780663857.

The spelling of 1127399 in words is "one million, one hundred twenty-seven thousand, three hundred ninety-nine".