1314022021 has 12 divisors (see below), whose sum is σ = 1503242692. Its totient is φ = 1141590528.

The previous prime is 1314022013. The next prime is 1314022027. The reversal of 1314022021 is 1202204131.

It can be written as a sum of positive squares in 6 ways, for example, as 172528225 + 1141493796 = 13135^2 + 33786^2 .

It is not a de Polignac number, because 1314022021 - 2³ = 1314022013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1314021986 and 1314022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314022027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171120 + ... + 178633.

Almost surely, 2^1314022021 is an apocalyptic number.

It is an amenable number.

1314022021 is a deficient number, since it is larger than the sum of its proper divisors (189220671).

1314022021 is a wasteful number, since it uses less digits than its factorization.

1314022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349800 (or 349783 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1314022021 is about 36249.4416646657. The cubic root of 1314022021 is about 1095.3028418074.

Adding to 1314022021 its reverse (1202204131), we get a palindrome (2516226152).

The spelling of 1314022021 in words is "one billion, three hundred fourteen million, twenty-two thousand, twenty-one".