1381247324 has 6 divisors (see below), whose sum is σ = 2417182824. Its totient is φ = 690623660.

The previous prime is 1381247323. The next prime is 1381247347. The reversal of 1381247324 is 4237421831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381247323) 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 as a sum of consecutive naturals, namely, 172655912 + ... + 172655919.

It is an arithmetic number, because the mean of its divisors is an integer number (402863804).

Almost surely, 2^1381247324 is an apocalyptic number.

It is an amenable number.

1381247324 is a deficient number, since it is larger than the sum of its proper divisors (1035935500).

1381247324 is a wasteful number, since it uses less digits than its factorization.

1381247324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345311835 (or 345311833 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 1381247324 is about 37165.1358668309. The cubic root of 1381247324 is about 1113.6716131347.

The spelling of 1381247324 in words is "one billion, three hundred eighty-one million, two hundred forty-seven thousand, three hundred twenty-four".