1149201 has 16 divisors (see below), whose sum is σ = 1758720. Its totient is φ = 740880.

The previous prime is 1149193. The next prime is 1149209. The reversal of 1149201 is 1029411.

It is an interprime number because it is at equal distance from previous prime (1149193) and next prime (1149209).

It is not a de Polignac number, because 1149201 - 2³ = 1149193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1149209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151 + ... + 1523.

It is an arithmetic number, because the mean of its divisors is an integer number (109920).

2^1149201 is an apocalyptic number.

It is an amenable number.

1149201 is a deficient number, since it is larger than the sum of its proper divisors (609519).

1149201 is a wasteful number, since it uses less digits than its factorization.

1149201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1407 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1149201 is about 1072.0079290752. The cubic root of 1149201 is about 104.7446858129.

It can be divided in two parts, 114920 and 1, that added together give a square (114921 = 339²).

The spelling of 1149201 in words is "one million, one hundred forty-nine thousand, two hundred one".