1115501 has 2 divisors, whose sum is σ = 1115502. Its totient is φ = 1115500.

The previous prime is 1115497. The next prime is 1115519. The reversal of 1115501 is 1055111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 624100 + 491401 = 790^2 + 701^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115501 - 2² = 1115497 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557750 + 557751.

It is an arithmetic number, because the mean of its divisors is an integer number (557751).

2^1115501 is an apocalyptic number.

It is an amenable number.

1115501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115501 is an equidigital number, since it uses as much as digits as its factorization.

1115501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 1115501 is about 1056.1728078302. The cubic root of 1115501 is about 103.7106416733.

The spelling of 1115501 in words is "one million, one hundred fifteen thousand, five hundred one".