9949121 has 8 divisors (see below), whose sum is σ = 12245184. Its totient is φ = 7871760.

The previous prime is 9949099. The next prime is 9949123. The reversal of 9949121 is 1219499.

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

It is not a de Polignac number, because 9949121 - 2¹⁰ = 9948097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9949123) 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, 54575 + ... + 54756.

It is an arithmetic number, because the mean of its divisors is an integer number (1530648).

Almost surely, 2^9949121 is an apocalyptic number.

9949121 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

9949121 is a deficient number, since it is larger than the sum of its proper divisors (2296063).

9949121 is a wasteful number, since it uses less digits than its factorization.

9949121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109351.

The product of its digits is 5832, while the sum is 35.

The square root of 9949121 is about 3154.2227251734. Note that the first 3 decimals coincide. The cubic root of 9949121 is about 215.0774626230.

The spelling of 9949121 in words is "nine million, nine hundred forty-nine thousand, one hundred twenty-one".