9851201 has 4 divisors (see below), whose sum is σ = 9858132. Its totient is φ = 9844272.

The previous prime is 9851197. The next prime is 9851203. The reversal of 9851201 is 1021589.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1021589 = 631 ⋅1619.

It can be written as a sum of positive squares in 2 ways, for example, as 1324801 + 8526400 = 1151^2 + 2920^2 .

It is a cyclic number.

It is not a de Polignac number, because 9851201 - 2² = 9851197 is a prime.

It is a super-2 number, since 2×9851201² = 194092322284802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9851203) 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, 470 + ... + 4463.

It is an arithmetic number, because the mean of its divisors is an integer number (2464533).

Almost surely, 2^9851201 is an apocalyptic number.

It is an amenable number.

9851201 is a deficient number, since it is larger than the sum of its proper divisors (6931).

9851201 is a wasteful number, since it uses less digits than its factorization.

9851201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6930.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 9851201 is about 3138.6622946727. The cubic root of 9851201 is about 214.3695321416.

The spelling of 9851201 in words is "nine million, eight hundred fifty-one thousand, two hundred one".