1321457341 has 12 divisors (see below), whose sum is σ = 1388074240. Its totient is φ = 1257905880.

The previous prime is 1321457329. The next prime is 1321457351. The reversal of 1321457341 is 1437541231.

It is not a de Polignac number, because 1321457341 - 2²⁵ = 1287902909 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321457351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105700 + ... + 117538.

Almost surely, 2^1321457341 is an apocalyptic number.

It is an amenable number.

1321457341 is a deficient number, since it is larger than the sum of its proper divisors (66616899).

1321457341 is a wasteful number, since it uses less digits than its factorization.

1321457341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12096 (or 12073 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 1321457341 is about 36351.8547119676. The cubic root of 1321457341 is about 1097.3648606702.

Adding to 1321457341 its reverse (1437541231), we get a palindrome (2758998572).

The spelling of 1321457341 in words is "one billion, three hundred twenty-one million, four hundred fifty-seven thousand, three hundred forty-one".