1127813 has 2 divisors, whose sum is σ = 1127814. Its totient is φ = 1127812.

The previous prime is 1127809. The next prime is 1127837. The reversal of 1127813 is 3187211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 850084 + 277729 = 922^2 + 527^2 .

It is a cyclic number.

It is not a de Polignac number, because 1127813 - 2² = 1127809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1127803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563906 + 563907.

It is an arithmetic number, because the mean of its divisors is an integer number (563907).

2^1127813 is an apocalyptic number.

It is an amenable number.

1127813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127813 is an equidigital number, since it uses as much as digits as its factorization.

1127813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 23.

The square root of 1127813 is about 1061.9854047961. The cubic root of 1127813 is about 104.0908045693.

The spelling of 1127813 in words is "one million, one hundred twenty-seven thousand, eight hundred thirteen".