1126426553 has 6 divisors (see below), whose sum is σ = 1310332986. Its totient is φ = 965508432.

The previous prime is 1126426547. The next prime is 1126426559. The reversal of 1126426553 is 3556246211.

It is an interprime number because it is at equal distance from previous prime (1126426547) and next prime (1126426559).

It can be written as a sum of positive squares in only one way, i.e., 1064521129 + 61905424 = 32627^2 + 7868^2 .

It is not a de Polignac number, because 1126426553 - 2⁴ = 1126426537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1126426559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11494100 + ... + 11494197.

It is an arithmetic number, because the mean of its divisors is an integer number (218388831).

Almost surely, 2^1126426553 is an apocalyptic number.

It is an amenable number.

1126426553 is a deficient number, since it is larger than the sum of its proper divisors (183906433).

1126426553 is an equidigital number, since it uses as much as digits as its factorization.

1126426553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22988311 (or 22988304 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 1126426553 is about 33562.2787218031. The cubic root of 1126426553 is about 1040.4813332229.

The spelling of 1126426553 in words is "one billion, one hundred twenty-six million, four hundred twenty-six thousand, five hundred fifty-three".