9121506 has 8 divisors (see below), whose sum is σ = 18243024. Its totient is φ = 3040500.

The previous prime is 9121493. The next prime is 9121523. The reversal of 9121506 is 6051219.

9121506 is digitally balanced in base 2, 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.

9121506 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760120 + ... + 760131.

It is an arithmetic number, because the mean of its divisors is an integer number (2280378).

Almost surely, 2^9121506 is an apocalyptic number.

9121506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9121506 is a wasteful number, since it uses less digits than its factorization.

9121506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520256.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 9121506 is about 3020.1831070318. The cubic root of 9121506 is about 208.9402849782.

The spelling of 9121506 in words is "nine million, one hundred twenty-one thousand, five hundred six".