9121402 has 8 divisors (see below), whose sum is σ = 13710816. Its totient is φ = 4551132.

The previous prime is 9121397. The next prime is 9121403. The reversal of 9121402 is 2041219.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9121402.

It is not an unprimeable number, because it can be changed into a prime (9121403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3528 + ... + 5539.

It is an arithmetic number, because the mean of its divisors is an integer number (1713852).

Almost surely, 2^9121402 is an apocalyptic number.

9121402 is a deficient number, since it is larger than the sum of its proper divisors (4589414).

9121402 is a wasteful number, since it uses less digits than its factorization.

9121402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9572.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 9121402 is about 3020.1658894836. The cubic root of 9121402 is about 208.9394908889.

The spelling of 9121402 in words is "nine million, one hundred twenty-one thousand, four hundred two".