1248655442 has 8 divisors (see below), whose sum is σ = 1873603056. Its totient is φ = 624121092.

The previous prime is 1248655427. The next prime is 1248655453. The reversal of 1248655442 is 2445568421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1248655442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95648 + ... + 107915.

It is an arithmetic number, because the mean of its divisors is an integer number (234200382).

Almost surely, 2^1248655442 is an apocalyptic number.

1248655442 is a deficient number, since it is larger than the sum of its proper divisors (624947614).

1248655442 is a wasteful number, since it uses less digits than its factorization.

1248655442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206632.

The product of its digits is 307200, while the sum is 41.

The square root of 1248655442 is about 35336.3190216525. The cubic root of 1248655442 is about 1076.8309714626.

The spelling of 1248655442 in words is "one billion, two hundred forty-eight million, six hundred fifty-five thousand, four hundred forty-two".