1167601 has 4 divisors (see below), whose sum is σ = 1186804. Its totient is φ = 1148400.

The previous prime is 1167599. The next prime is 1167613. The reversal of 1167601 is 1067611.

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 274576 + 893025 = 524^2 + 945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1167601 - 2¹ = 1167599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1167701) 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, 9510 + ... + 9631.

It is an arithmetic number, because the mean of its divisors is an integer number (296701).

2^1167601 is an apocalyptic number.

It is an amenable number.

1167601 is a deficient number, since it is larger than the sum of its proper divisors (19203).

1167601 is an equidigital number, since it uses as much as digits as its factorization.

1167601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19202.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1167601 is about 1080.5558754641. Note that the first 3 decimals coincide. The cubic root of 1167601 is about 105.3007552494.

The spelling of 1167601 in words is "one million, one hundred sixty-seven thousand, six hundred one".