9903122 has 4 divisors (see below), whose sum is σ = 14854686. Its totient is φ = 4951560.

The previous prime is 9903109. The next prime is 9903149. The reversal of 9903122 is 2213099.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9541921 + 361201 = 3089^2 + 601^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9903091 and 9903100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2475779 + ... + 2475782.

Almost surely, 2^9903122 is an apocalyptic number.

9903122 is a deficient number, since it is larger than the sum of its proper divisors (4951564).

9903122 is a wasteful number, since it uses less digits than its factorization.

9903122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4951563.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 9903122 is about 3146.9226237707. The cubic root of 9903122 is about 214.7454857400.

The spelling of 9903122 in words is "nine million, nine hundred three thousand, one hundred twenty-two".