1146567321 has 9 divisors (see below), whose sum is σ = 1656299541. Its totient is φ = 764310492.

The previous prime is 1146567313. The next prime is 1146567347. The reversal of 1146567321 is 1237656411.

The square root of 1146567321 is 33861.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1146567321 - 2³ = 1146567313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1146567421) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 95940 + ... + 107226.

Almost surely, 2^1146567321 is an apocalyptic number.

1146567321 is the 33861-st square number.

1146567321 is the 16931-st centered octagonal number.

It is an amenable number.

1146567321 is a deficient number, since it is larger than the sum of its proper divisors (509732220).

1146567321 is an frugal number, since it uses more digits than its factorization.

1146567321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22580 (or 11290 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The cubic root of 1146567321 is about 1046.6460847080.

Multiplying 1146567321 by its sum of digits (36), we get a square (41276423556 = 203166²).

The spelling of 1146567321 in words is "one billion, one hundred forty-six million, five hundred sixty-seven thousand, three hundred twenty-one".