1314261021 has 8 divisors (see below), whose sum is σ = 1757947840. Its totient is φ = 873374112.

The previous prime is 1314261019. The next prime is 1314261023. The reversal of 1314261021 is 1201624131.

It is an interprime number because it is at equal distance from previous prime (1314261019) and next prime (1314261023).

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

It is not a de Polignac number, because 1314261021 - 2¹ = 1314261019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314261023) 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 7 ways as a sum of consecutive naturals, for example, 698881 + ... + 700758.

It is an arithmetic number, because the mean of its divisors is an integer number (219743480).

Almost surely, 2^1314261021 is an apocalyptic number.

It is an amenable number.

1314261021 is a deficient number, since it is larger than the sum of its proper divisors (443686819).

1314261021 is a wasteful number, since it uses less digits than its factorization.

1314261021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399955.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1314261021 is about 36252.7381172788. The cubic root of 1314261021 is about 1095.3692439188.

Adding to 1314261021 its reverse (1201624131), we get a palindrome (2515885152).

The spelling of 1314261021 in words is "one billion, three hundred fourteen million, two hundred sixty-one thousand, twenty-one".