8121753 has 12 divisors (see below), whose sum is σ = 11880960. Its totient is φ = 5345496.

The previous prime is 8121749. The next prime is 8121793. The reversal of 8121753 is 3571218.

It is not a de Polignac number, because 8121753 - 2² = 8121749 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8121793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5001 + ... + 6422.

It is an arithmetic number, because the mean of its divisors is an integer number (990080).

Almost surely, 2^8121753 is an apocalyptic number.

It is an amenable number.

8121753 is a deficient number, since it is larger than the sum of its proper divisors (3759207).

8121753 is a wasteful number, since it uses less digits than its factorization.

8121753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11508 (or 11505 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 8121753 is about 2849.8689443552. The cubic root of 8121753 is about 201.0095042658.

The spelling of 8121753 in words is "eight million, one hundred twenty-one thousand, seven hundred fifty-three".