1242736016 has 40 divisors (see below), whose sum is σ = 2429469504. Its totient is φ = 615804800.

The previous prime is 1242735979. The next prime is 1242736031. The reversal of 1242736016 is 6106372421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954566 + ... + 955866.

Almost surely, 2^1242736016 is an apocalyptic number.

1242736016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1242736016 is a deficient number, since it is larger than the sum of its proper divisors (1186733488).

1242736016 is a wasteful number, since it uses less digits than its factorization.

1242736016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1242736016 is about 35252.4611339407. The cubic root of 1242736016 is about 1075.1266527538.

The spelling of 1242736016 in words is "one billion, two hundred forty-two million, seven hundred thirty-six thousand, sixteen".