11237121 has 36 divisors (see below), whose sum is σ = 19171152. Its totient is φ = 6323184.

The previous prime is 11237117. The next prime is 11237129. The reversal of 11237121 is 12173211.

It is a happy number.

11237121 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11237121 - 2² = 11237117 is a prime.

11237121 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 11237094 and 11237103.

It is not an unprimeable number, because it can be changed into a prime (11237129) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36450 + ... + 36756.

It is an arithmetic number, because the mean of its divisors is an integer number (532532).

Almost surely, 2^11237121 is an apocalyptic number.

It is an amenable number.

11237121 is a deficient number, since it is larger than the sum of its proper divisors (7934031).

11237121 is a wasteful number, since it uses less digits than its factorization.

11237121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 400 counting only the distinct ones).

The product of its digits is 84, while the sum is 18.

The square root of 11237121 is about 3352.1815284975. The cubic root of 11237121 is about 223.9846994757.

The spelling of 11237121 in words is "eleven million, two hundred thirty-seven thousand, one hundred twenty-one".