1100061 has 16 divisors (see below), whose sum is σ = 1653120. Its totient is φ = 731916.

The previous prime is 1100051. The next prime is 1100063. The reversal of 1100061 is 1600011.

It is not a de Polignac number, because 1100061 - 2⁶ = 1099997 is a prime.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1936 + ... + 2438.

It is an arithmetic number, because the mean of its divisors is an integer number (103320).

2^1100061 is an apocalyptic number.

It is an amenable number.

1100061 is a deficient number, since it is larger than the sum of its proper divisors (553059).

1100061 is an frugal number, since it uses more digits than its factorization.

1100061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 506 counting only the distinct ones).

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

The square root of 1100061 is about 1048.8379283760. The cubic root of 1100061 is about 103.2299196645.

Adding to 1100061 its reverse (1600011), we get a palindrome (2700072).

The spelling of 1100061 in words is "one million, one hundred thousand, sixty-one".