1126455247 has 4 divisors (see below), whose sum is σ = 1133200656. Its totient is φ = 1119709840.

The previous prime is 1126455217. The next prime is 1126455263. The reversal of 1126455247 is 7425546211.

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

It is a cyclic number.

It is not a de Polignac number, because 1126455247 - 2¹¹ = 1126453199 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 (1126455217) 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, 3372454 + ... + 3372787.

It is an arithmetic number, because the mean of its divisors is an integer number (283300164).

Almost surely, 2^1126455247 is an apocalyptic number.

1126455247 is a deficient number, since it is larger than the sum of its proper divisors (6745409).

1126455247 is an equidigital number, since it uses as much as digits as its factorization.

1126455247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6745408.

The product of its digits is 67200, while the sum is 37.

The square root of 1126455247 is about 33562.7061930351. The cubic root of 1126455247 is about 1040.4901680400.

The spelling of 1126455247 in words is "one billion, one hundred twenty-six million, four hundred fifty-five thousand, two hundred forty-seven".