1242513982 has 8 divisors (see below), whose sum is σ = 1907114616. Its totient is φ = 606809112.

The previous prime is 1242513977. The next prime is 1242513997. The reversal of 1242513982 is 2893152421.

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

It is a super-3 number, since 3×1242513982³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

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, 7223833 + ... + 7224004.

It is an arithmetic number, because the mean of its divisors is an integer number (238389327).

Almost surely, 2^1242513982 is an apocalyptic number.

1242513982 is a deficient number, since it is larger than the sum of its proper divisors (664600634).

1242513982 is a wasteful number, since it uses less digits than its factorization.

1242513982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14447882.

The product of its digits is 34560, while the sum is 37.

The square root of 1242513982 is about 35249.3117947003. The cubic root of 1242513982 is about 1075.0626196081.

The spelling of 1242513982 in words is "one billion, two hundred forty-two million, five hundred thirteen thousand, nine hundred eighty-two".