1239243484 has 6 divisors (see below), whose sum is σ = 2168676104. Its totient is φ = 619621740.

The previous prime is 1239243433. The next prime is 1239243497. The reversal of 1239243484 is 4843429321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154905432 + ... + 154905439.

Almost surely, 2^1239243484 is an apocalyptic number.

It is an amenable number.

1239243484 is a deficient number, since it is larger than the sum of its proper divisors (929432620).

1239243484 is a wasteful number, since it uses less digits than its factorization.

1239243484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309810875 (or 309810873 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 1239243484 is about 35202.8902790666. The cubic root of 1239243484 is about 1074.1185445038.

The spelling of 1239243484 in words is "one billion, two hundred thirty-nine million, two hundred forty-three thousand, four hundred eighty-four".