1350976721 has 8 divisors (see below), whose sum is σ = 1356910464. Its totient is φ = 1345055040.

The previous prime is 1350976717. The next prime is 1350976733. The reversal of 1350976721 is 1276790531.

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

It is a cyclic number.

It is not a de Polignac number, because 1350976721 - 2² = 1350976717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1350976321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274916 + ... + 279786.

It is an arithmetic number, because the mean of its divisors is an integer number (169613808).

Almost surely, 2^1350976721 is an apocalyptic number.

It is an amenable number.

1350976721 is a deficient number, since it is larger than the sum of its proper divisors (5933743).

1350976721 is an equidigital number, since it uses as much as digits as its factorization.

1350976721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6031.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 1350976721 is about 36755.6352278123. The cubic root of 1350976721 is about 1105.4759239253.

The spelling of 1350976721 in words is "one billion, three hundred fifty million, nine hundred seventy-six thousand, seven hundred twenty-one".