1121926503 has 4 divisors (see below), whose sum is σ = 1495902008. Its totient is φ = 747951000.

The previous prime is 1121926493. The next prime is 1121926511. The reversal of 1121926503 is 3056291211.

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

It is not a de Polignac number, because 1121926503 - 2¹² = 1121922407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121926303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186987748 + ... + 186987753.

It is an arithmetic number, because the mean of its divisors is an integer number (373975502).

Almost surely, 2^1121926503 is an apocalyptic number.

1121926503 is a deficient number, since it is larger than the sum of its proper divisors (373975505).

1121926503 is an equidigital number, since it uses as much as digits as its factorization.

1121926503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373975504.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1121926503 is about 33495.1713385676. The cubic root of 1121926503 is about 1039.0939171188.

The spelling of 1121926503 in words is "one billion, one hundred twenty-one million, nine hundred twenty-six thousand, five hundred three".