11421201 has 8 divisors (see below), whose sum is σ = 16612704. Its totient is φ = 6921920.

The previous prime is 11421199. The next prime is 11421203. The reversal of 11421201 is 10212411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11421199) and next prime (11421203).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11421201 - 2¹ = 11421199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11421203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173016 + ... + 173081.

It is an arithmetic number, because the mean of its divisors is an integer number (2076588).

Almost surely, 2^11421201 is an apocalyptic number.

11421201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11421201 is a deficient number, since it is larger than the sum of its proper divisors (5191503).

11421201 is a wasteful number, since it uses less digits than its factorization.

11421201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346111.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11421201 is about 3379.5267420158. The cubic root of 11421201 is about 225.2011435866.

Adding to 11421201 its reverse (10212411), we get a palindrome (21633612).

The spelling of 11421201 in words is "eleven million, four hundred twenty-one thousand, two hundred one".