11772101 has 8 divisors (see below), whose sum is σ = 13034784. Its totient is φ = 10541520.

The previous prime is 11772097. The next prime is 11772121. The reversal of 11772101 is 10127711.

11772101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11772101 - 2² = 11772097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11772121) 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 7 ways as a sum of consecutive naturals, for example, 7250 + ... + 8723.

It is an arithmetic number, because the mean of its divisors is an integer number (1629348).

Almost surely, 2^11772101 is an apocalyptic number.

11772101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11772101 is a deficient number, since it is larger than the sum of its proper divisors (1262683).

11772101 is a wasteful number, since it uses less digits than its factorization.

11772101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16051.

The product of its (nonzero) digits is 98, while the sum is 20.

The square root of 11772101 is about 3431.0495478789. The cubic root of 11772101 is about 227.4842463833.

Adding to 11772101 its reverse (10127711), we get a palindrome (21899812).

The spelling of 11772101 in words is "eleven million, seven hundred seventy-two thousand, one hundred one".