1120203949 has 8 divisors (see below), whose sum is σ = 1128476448. Its totient is φ = 1111946160.

The previous prime is 1120203947. The next prime is 1120203977. The reversal of 1120203949 is 9493020211.

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

It is a cyclic number.

It is not a de Polignac number, because 1120203949 - 2¹ = 1120203947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1120203949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120203943) 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, 183354 + ... + 189364.

It is an arithmetic number, because the mean of its divisors is an integer number (141059556).

Almost surely, 2^1120203949 is an apocalyptic number.

It is an amenable number.

1120203949 is a deficient number, since it is larger than the sum of its proper divisors (8272499).

1120203949 is a wasteful number, since it uses less digits than its factorization.

1120203949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7355.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1120203949 is about 33469.4479936553. The cubic root of 1120203949 is about 1038.5618524955.

The spelling of 1120203949 in words is "one billion, one hundred twenty million, two hundred three thousand, nine hundred forty-nine".