1248283142 has 4 divisors (see below), whose sum is σ = 1872424716. Its totient is φ = 624141570.

The previous prime is 1248283081. The next prime is 1248283207. The reversal of 1248283142 is 2413828421.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312070784 + ... + 312070787.

It is an arithmetic number, because the mean of its divisors is an integer number (468106179).

Almost surely, 2^1248283142 is an apocalyptic number.

1248283142 is a deficient number, since it is larger than the sum of its proper divisors (624141574).

1248283142 is an equidigital number, since it uses as much as digits as its factorization.

1248283142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624141573.

The product of its digits is 24576, while the sum is 35.

The square root of 1248283142 is about 35331.0506778386. The cubic root of 1248283142 is about 1076.7239379266.

The spelling of 1248283142 in words is "one billion, two hundred forty-eight million, two hundred eighty-three thousand, one hundred forty-two".