1243307064 has 32 divisors (see below), whose sum is σ = 3122219520. Its totient is φ = 412575456.

The previous prime is 1243307029. The next prime is 1243307069. The reversal of 1243307064 is 4607033421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243307069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110802 + ... + 121505.

It is an arithmetic number, because the mean of its divisors is an integer number (97569360).

Almost surely, 2^1243307064 is an apocalyptic number.

It is an amenable number.

1243307064 is an abundant number, since it is smaller than the sum of its proper divisors (1878912456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1243307064 is a wasteful number, since it uses less digits than its factorization.

1243307064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232539 (or 232535 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 1243307064 is about 35260.5596098530. The cubic root of 1243307064 is about 1075.2913042171.

The spelling of 1243307064 in words is "one billion, two hundred forty-three million, three hundred seven thousand, sixty-four".