1201101 has 16 divisors (see below), whose sum is σ = 1850688. Its totient is φ = 684800.

The previous prime is 1201097. The next prime is 1201103. The reversal of 1201101 is 1011021.

It is a cyclic number.

It is not a de Polignac number, because 1201101 - 2² = 1201097 is a prime.

It is a super-2 number, since 2×1201101² = 2885287224402, which contains 22 as substring.

It is a Curzon number.

1201101 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (115668).

2^1201101 is an apocalyptic number.

1201101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1201101 is a deficient number, since it is larger than the sum of its proper divisors (649587).

1201101 is a wasteful number, since it uses less digits than its factorization.

1201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1201101 is about 1095.9475352406. The cubic root of 1201101 is about 106.2983466251.

Adding to 1201101 its reverse (1011021), we get a palindrome (2212122).

Multiplying 1201101 by its reverse (1011021), we get a palindrome (1214338334121).

It can be divided in two parts, 120 and 1101, that added together give a palindrome (1221).

The spelling of 1201101 in words is "one million, two hundred one thousand, one hundred one".