1321297467 has 16 divisors (see below), whose sum is σ = 2018730240. Its totient is φ = 753030432.

The previous prime is 1321297463. The next prime is 1321297489. The reversal of 1321297467 is 7647921231.

1321297467 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1321297467 - 2² = 1321297463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1321297463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75048 + ... + 90965.

It is an arithmetic number, because the mean of its divisors is an integer number (126170640).

Almost surely, 2^1321297467 is an apocalyptic number.

1321297467 is a deficient number, since it is larger than the sum of its proper divisors (697432773).

1321297467 is a wasteful number, since it uses less digits than its factorization.

1321297467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166402.

The product of its digits is 127008, while the sum is 42.

The square root of 1321297467 is about 36349.6556654943. The cubic root of 1321297467 is about 1097.3206046860.

The spelling of 1321297467 in words is "one billion, three hundred twenty-one million, two hundred ninety-seven thousand, four hundred sixty-seven".