1242101564986 has 8 divisors (see below), whose sum is σ = 1875656726100. Its totient is φ = 616882656288.

The previous prime is 1242101564983. The next prime is 1242101565013. The reversal of 1242101564986 is 6894651012421.

It can be written as a sum of positive squares in 2 ways, for example, as 1026308798761 + 215792766225 = 1013069^2 + 464535^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1242101564983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2084062731 + ... + 2084063326.

Almost surely, 2^{1242101564986} is an apocalyptic number.

1242101564986 is a deficient number, since it is larger than the sum of its proper divisors (633555161114).

1242101564986 is a wasteful number, since it uses less digits than its factorization.

1242101564986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168126208.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 1242101564986 in words is "one trillion, two hundred forty-two billion, one hundred one million, five hundred sixty-four thousand, nine hundred eighty-six".