1126998773 has 4 divisors (see below), whose sum is σ = 1127341248. Its totient is φ = 1126656300.

The previous prime is 1126998727. The next prime is 1126998779. The reversal of 1126998773 is 3778996211.

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: 3778996211 = 1663 ⋅2272397.

It is a cyclic number.

It is not a de Polignac number, because 1126998773 - 2¹⁶ = 1126933237 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 (1126998779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166253 + ... + 172898.

It is an arithmetic number, because the mean of its divisors is an integer number (281835312).

Almost surely, 2^1126998773 is an apocalyptic number.

It is an amenable number.

1126998773 is a deficient number, since it is larger than the sum of its proper divisors (342475).

1126998773 is an equidigital number, since it uses as much as digits as its factorization.

1126998773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342474.

The product of its digits is 1143072, while the sum is 53.

The square root of 1126998773 is about 33570.8023883851. The cubic root of 1126998773 is about 1040.6574901260.

The spelling of 1126998773 in words is "one billion, one hundred twenty-six million, nine hundred ninety-eight thousand, seven hundred seventy-three".