1151201 has 4 divisors (see below), whose sum is σ = 1154304. Its totient is φ = 1148100.

The previous prime is 1151179. The next prime is 1151203. The reversal of 1151201 is 1021511.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1021511 = 139 ⋅7349.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1151203) 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, 905 + ... + 1766.

It is an arithmetic number, because the mean of its divisors is an integer number (288576).

2^1151201 is an apocalyptic number.

It is an amenable number.

1151201 is a deficient number, since it is larger than the sum of its proper divisors (3103).

1151201 is an equidigital number, since it uses as much as digits as its factorization.

1151201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 1151201 is about 1072.9403524894. The cubic root of 1151201 is about 104.8054143717.

Adding to 1151201 its reverse (1021511), we get a palindrome (2172712).

The spelling of 1151201 in words is "one million, one hundred fifty-one thousand, two hundred one".