1320123110 has 16 divisors (see below), whose sum is σ = 2411688816. Its totient is φ = 520167648.

The previous prime is 1320123109. The next prime is 1320123121. The reversal of 1320123110 is 113210231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984497 + ... + 985836.

It is an arithmetic number, because the mean of its divisors is an integer number (150730551).

Almost surely, 2^1320123110 is an apocalyptic number.

1320123110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320123110 is a deficient number, since it is larger than the sum of its proper divisors (1091565706).

1320123110 is a wasteful number, since it uses less digits than its factorization.

1320123110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970407.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1320123110 is about 36333.4984552823. The cubic root of 1320123110 is about 1096.9954121807.

Adding to 1320123110 its reverse (113210231), we get a palindrome (1433333341).

The spelling of 1320123110 in words is "one billion, three hundred twenty million, one hundred twenty-three thousand, one hundred ten".