1126016638 has 4 divisors (see below), whose sum is σ = 1689024960.
Its totient is φ = 563008318.
The previous prime is 1126016609. The next prime is 1126016663. The reversal of 1126016638 is 8366106211.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a super-3 number, since 3×11260166383 (a number of 28 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 281504158 + ... + 281504161.
It is an arithmetic number, because the mean of its divisors is an integer number (422256240).
Almost surely, 21126016638 is an apocalyptic number.
1126016638 is a deficient number, since it is larger than the sum of its proper divisors (563008322).
1126016638 is an equidigital number, since it uses as much as digits as its factorization.
1126016638 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 563008321.
The product of its (nonzero) digits is 10368, while the sum is 34.
The square root of 1126016638 is about 33556.1713847095.
The cubic root of 1126016638 is about 1040.3551049447.
The spelling of 1126016638 in words is "one billion, one hundred twenty-six million, sixteen thousand, six hundred thirty-eight".