1314512021 has 8 divisors (see below), whose sum is σ = 1346689344. Its totient is φ = 1282407840.

The previous prime is 1314512011. The next prime is 1314512039. The reversal of 1314512021 is 1202154131.

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-1314512021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1314511984 and 1314512002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314512011) 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 7 ways as a sum of consecutive naturals, for example, 19016 + ... + 54686.

It is an arithmetic number, because the mean of its divisors is an integer number (168336168).

Almost surely, 2^1314512021 is an apocalyptic number.

It is an amenable number.

1314512021 is a deficient number, since it is larger than the sum of its proper divisors (32177323).

1314512021 is an equidigital number, since it uses as much as digits as its factorization.

1314512021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36571.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1314512021 is about 36256.1997594894. The cubic root of 1314512021 is about 1095.4389713613.

Adding to 1314512021 its reverse (1202154131), we get a palindrome (2516666152).

The spelling of 1314512021 in words is "one billion, three hundred fourteen million, five hundred twelve thousand, twenty-one".