11187401 has 2 divisors, whose sum is σ = 11187402. Its totient is φ = 11187400.

The previous prime is 11187347. The next prime is 11187419. The reversal of 11187401 is 10478111.

It is a happy number.

11187401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9759376 + 1428025 = 3124^2 + 1195^2 .

It is a cyclic number.

It is not a de Polignac number, because 11187401 - 2¹⁰ = 11186377 is a prime.

It is a super-2 number, since 2×11187401² = 250315882269602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11187101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5593700 + 5593701.

It is an arithmetic number, because the mean of its divisors is an integer number (5593701).

Almost surely, 2^11187401 is an apocalyptic number.

It is an amenable number.

11187401 is a deficient number, since it is larger than the sum of its proper divisors (1).

11187401 is an equidigital number, since it uses as much as digits as its factorization.

11187401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 11187401 is about 3344.7572408173. The cubic root of 11187401 is about 223.6538619267.

The spelling of 11187401 in words is "eleven million, one hundred eighty-seven thousand, four hundred one".