1314121020 has 48 divisors (see below), whose sum is σ = 3681326880. Its totient is φ = 350262016.

The previous prime is 1314121007. The next prime is 1314121027. The reversal of 1314121020 is 201214131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314121027) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 163414 + ... + 171266.

It is an arithmetic number, because the mean of its divisors is an integer number (76694310).

Almost surely, 2^1314121020 is an apocalyptic number.

1314121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1314121020 is an abundant number, since it is smaller than the sum of its proper divisors (2367205860).

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

1314121020 is a wasteful number, since it uses less digits than its factorization.

1314121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10654 (or 10652 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1314121020 is about 36250.8071634274. The cubic root of 1314121020 is about 1095.3303479835.

Adding to 1314121020 its reverse (201214131), we get a palindrome (1515335151).

The spelling of 1314121020 in words is "one billion, three hundred fourteen million, one hundred twenty-one thousand, twenty".