1321106126 has 8 divisors (see below), whose sum is σ = 1992034944. Its totient is φ = 657094480.

The previous prime is 1321106113. The next prime is 1321106153. The reversal of 1321106126 is 6216011231.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1728815 + ... + 1729578.

It is an arithmetic number, because the mean of its divisors is an integer number (249004368).

Almost surely, 2^1321106126 is an apocalyptic number.

1321106126 is a deficient number, since it is larger than the sum of its proper divisors (670928818).

1321106126 is a wasteful number, since it uses less digits than its factorization.

1321106126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458586.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1321106126 is about 36347.0236195483. The cubic root of 1321106126 is about 1097.2676333799.

Adding to 1321106126 its reverse (6216011231), we get a palindrome (7537117357).

The spelling of 1321106126 in words is "one billion, three hundred twenty-one million, one hundred six thousand, one hundred twenty-six".