1100601 has 8 divisors (see below), whose sum is σ = 1630560. Its totient is φ = 733716.

The previous prime is 1100591. The next prime is 1100611. The reversal of 1100601 is 1060011.

It is an interprime number because it is at equal distance from previous prime (1100591) and next prime (1100611).

It is not a de Polignac number, because 1100601 - 2⁵ = 1100569 is a prime.

It is a super-2 number, since 2×1100601² = 2422645122402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is a Curzon number.

1100601 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1100611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20355 + ... + 20408.

It is an arithmetic number, because the mean of its divisors is an integer number (203820).

2^1100601 is an apocalyptic number.

It is an amenable number.

1100601 is a deficient number, since it is larger than the sum of its proper divisors (529959).

1100601 is an equidigital number, since it uses as much as digits as its factorization.

1100601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40772 (or 40766 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1100601 is about 1049.0953245535. The cubic root of 1100601 is about 103.2468081334.

Adding to 1100601 its reverse (1060011), we get a palindrome (2160612).

The spelling of 1100601 in words is "one million, one hundred thousand, six hundred one".