1126640442 has 8 divisors (see below), whose sum is σ = 2253280896. Its totient is φ = 375546812.

The previous prime is 1126640429. The next prime is 1126640447. The reversal of 1126640442 is 2440466211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1126640442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1126640447) 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, 93886698 + ... + 93886709.

It is an arithmetic number, because the mean of its divisors is an integer number (281660112).

Almost surely, 2^1126640442 is an apocalyptic number.

1126640442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1126640442 is a wasteful number, since it uses less digits than its factorization.

1126640442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187773412.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 1126640442 is about 33565.4650198683. The cubic root of 1126640442 is about 1040.5471855494.

The spelling of 1126640442 in words is "one billion, one hundred twenty-six million, six hundred forty thousand, four hundred forty-two".