1243314000 has 120 divisors (see below), whose sum is σ = 4342544232. Its totient is φ = 331545600.

The previous prime is 1243313969. The next prime is 1243314029. The reversal of 1243314000 is 4133421.

It can be written as a sum of positive squares in 4 ways, for example, as 30603024 + 1212710976 = 5532^2 + 34824^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16537 + ... + 52536.

Almost surely, 2^1243314000 is an apocalyptic number.

1243314000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1243314000 is an abundant number, since it is smaller than the sum of its proper divisors (3099230232).

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

1243314000 is a wasteful number, since it uses less digits than its factorization.

1243314000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69102 (or 69083 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1243314000 is about 35260.6579632315. The cubic root of 1243314000 is about 1075.2933037786.

Adding to 1243314000 its reverse (4133421), we get a palindrome (1247447421).

The spelling of 1243314000 in words is "one billion, two hundred forty-three million, three hundred fourteen thousand".