1126033661 has 8 divisors (see below), whose sum is σ = 1153092864. Its totient is φ = 1099103760.

The previous prime is 1126033639. The next prime is 1126033681. The reversal of 1126033661 is 1663306211.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1126033661 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 (1126033631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14585 + ... + 49646.

It is an arithmetic number, because the mean of its divisors is an integer number (144136608).

Almost surely, 2^1126033661 is an apocalyptic number.

It is an amenable number.

1126033661 is a deficient number, since it is larger than the sum of its proper divisors (27059203).

1126033661 is an equidigital number, since it uses as much as digits as its factorization.

1126033661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64651.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1126033661 is about 33556.4250330693. The cubic root of 1126033661 is about 1040.3603475777.

Adding to 1126033661 its reverse (1663306211), we get a palindrome (2789339872).

The spelling of 1126033661 in words is "one billion, one hundred twenty-six million, thirty-three thousand, six hundred sixty-one".