1242036248 has 32 divisors (see below), whose sum is σ = 2433650400. Its totient is φ = 593142528.

The previous prime is 1242036233. The next prime is 1242036277. The reversal of 1242036248 is 8426302421.

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 in 7 ways as a sum of consecutive naturals, for example, 130268 + ... + 139476.

It is an arithmetic number, because the mean of its divisors is an integer number (76051575).

Almost surely, 2^1242036248 is an apocalyptic number.

It is an amenable number.

1242036248 is a deficient number, since it is larger than the sum of its proper divisors (1191614152).

1242036248 is a wasteful number, since it uses less digits than its factorization.

1242036248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9971 (or 9967 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 1242036248 is about 35242.5346421054. The cubic root of 1242036248 is about 1074.9248183946.

Adding to 1242036248 its reverse (8426302421), we get a palindrome (9668338669).

The spelling of 1242036248 in words is "one billion, two hundred forty-two million, thirty-six thousand, two hundred forty-eight".