1136401 has 4 divisors (see below), whose sum is σ = 1298752. Its totient is φ = 974052.

The previous prime is 1136393. The next prime is 1136411. The reversal of 1136401 is 1046311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1136401 - 2³ = 1136393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1136411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81165 + ... + 81178.

It is an arithmetic number, because the mean of its divisors is an integer number (324688).

2^1136401 is an apocalyptic number.

It is an amenable number.

1136401 is a deficient number, since it is larger than the sum of its proper divisors (162351).

1136401 is an equidigital number, since it uses as much as digits as its factorization.

1136401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162350.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1136401 is about 1066.0211067329. The cubic root of 1136401 is about 104.3543448197.

The spelling of 1136401 in words is "one million, one hundred thirty-six thousand, four hundred one".