1321740484 has 12 divisors (see below), whose sum is σ = 2316560400. Its totient is φ = 659866088.

The previous prime is 1321740481. The next prime is 1321740487. The reversal of 1321740484 is 4840471231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1321740481) and next prime (1321740487).

It is not an unprimeable number, because it can be changed into a prime (1321740481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248074 + ... + 253345.

It is an arithmetic number, because the mean of its divisors is an integer number (193046700).

Almost surely, 2^1321740484 is an apocalyptic number.

It is an amenable number.

1321740484 is a deficient number, since it is larger than the sum of its proper divisors (994819916).

1321740484 is a wasteful number, since it uses less digits than its factorization.

1321740484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502082 (or 502080 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 1321740484 is about 36355.7489814197. The cubic root of 1321740484 is about 1097.4432309613.

The spelling of 1321740484 in words is "one billion, three hundred twenty-one million, seven hundred forty thousand, four hundred eighty-four".