1321463061 has 24 divisors (see below), whose sum is σ = 1954105920. Its totient is φ = 860256000.

The previous prime is 1321463051. The next prime is 1321463063. The reversal of 1321463061 is 1603641231.

1321463061 is a `hidden beast` number, since 1 + 3 + 21 + 4 + 630 + 6 + 1 = 666.

It is not a de Polignac number, because 1321463061 - 2⁶ = 1321462997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321463063) 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 23 ways as a sum of consecutive naturals, for example, 71941 + ... + 88421.

It is an arithmetic number, because the mean of its divisors is an integer number (81421080).

Almost surely, 2^1321463061 is an apocalyptic number.

It is an amenable number.

1321463061 is a deficient number, since it is larger than the sum of its proper divisors (632642859).

1321463061 is a wasteful number, since it uses less digits than its factorization.

1321463061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16697 (or 16694 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1321463061 is about 36351.9333873729. The cubic root of 1321463061 is about 1097.3664440024.

The spelling of 1321463061 in words is "one billion, three hundred twenty-one million, four hundred sixty-three thousand, sixty-one".