1120903169 has 4 divisors (see below), whose sum is σ = 1121022000. Its totient is φ = 1120784340.

The previous prime is 1120903163. The next prime is 1120903171. The reversal of 1120903169 is 9613090211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9613090211 = 101 ⋅95179111.

It is a cyclic number.

It is not a de Polignac number, because 1120903169 - 2²⁸ = 852467713 is a prime.

It is a super-2 number, since 2×1120903169² = 2512847828548485122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120903163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43919 + ... + 64580.

It is an arithmetic number, because the mean of its divisors is an integer number (280255500).

Almost surely, 2^1120903169 is an apocalyptic number.

It is an amenable number.

1120903169 is a deficient number, since it is larger than the sum of its proper divisors (118831).

1120903169 is a wasteful number, since it uses less digits than its factorization.

1120903169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118830.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 1120903169 is about 33479.8920099812. The cubic root of 1120903169 is about 1038.7778941605. Note that the first 3 decimals are identical.

The spelling of 1120903169 in words is "one billion, one hundred twenty million, nine hundred three thousand, one hundred sixty-nine".