1967201 has 4 divisors (see below), whose sum is σ = 2004372. Its totient is φ = 1930032.

The previous prime is 1967191. The next prime is 1967239. The reversal of 1967201 is 1027691.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1288225 + 678976 = 1135^2 + 824^2 .

It is a cyclic number.

It is not a de Polignac number, because 1967201 - 2⁶ = 1967137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1967261) 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, 18506 + ... + 18611.

It is an arithmetic number, because the mean of its divisors is an integer number (501093).

2^1967201 is an apocalyptic number.

It is an amenable number.

1967201 is a deficient number, since it is larger than the sum of its proper divisors (37171).

1967201 is an equidigital number, since it uses as much as digits as its factorization.

1967201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37170.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 1967201 is about 1402.5694278716. The cubic root of 1967201 is about 125.2995694914.

The spelling of 1967201 in words is "one million, nine hundred sixty-seven thousand, two hundred one".