1243248342 has 16 divisors (see below), whose sum is σ = 2841710592. Its totient is φ = 355213800.

The previous prime is 1243248341. The next prime is 1243248361. The reversal of 1243248342 is 2438423421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243248341) 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, 14800534 + ... + 14800617.

It is an arithmetic number, because the mean of its divisors is an integer number (177606912).

Almost surely, 2^1243248342 is an apocalyptic number.

1243248342 is an abundant number, since it is smaller than the sum of its proper divisors (1598462250).

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

1243248342 is a wasteful number, since it uses less digits than its factorization.

1243248342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29601163.

The product of its digits is 36864, while the sum is 33.

The square root of 1243248342 is about 35259.7269132930. The cubic root of 1243248342 is about 1075.2743751061.

The spelling of 1243248342 in words is "one billion, two hundred forty-three million, two hundred forty-eight thousand, three hundred forty-two".