8121137 has 8 divisors (see below), whose sum is σ = 8401536. Its totient is φ = 7845552.

The previous prime is 8121119. The next prime is 8121199. The reversal of 8121137 is 7311218.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 8121137 - 2¹⁰ = 8120113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8126137) 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, 2408 + ... + 4694.

It is an arithmetic number, because the mean of its divisors is an integer number (1050192).

Almost surely, 2^8121137 is an apocalyptic number.

It is an amenable number.

8121137 is a deficient number, since it is larger than the sum of its proper divisors (280399).

8121137 is a wasteful number, since it uses less digits than its factorization.

8121137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407.

The product of its digits is 336, while the sum is 23.

The square root of 8121137 is about 2849.7608671606. The cubic root of 8121137 is about 201.0044222355.

The spelling of 8121137 in words is "eight million, one hundred twenty-one thousand, one hundred thirty-seven".