1243457082 has 80 divisors (see below), whose sum is σ = 3193122240. Its totient is φ = 354290112.

The previous prime is 1243457063. The next prime is 1243457153. The reversal of 1243457082 is 2807543421.

It is a happy number.

1243457082 is a `hidden beast` number, since 1 + 2 + 4 + 3 + 4 + 570 + 82 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 473838 + ... + 476454.

It is an arithmetic number, because the mean of its divisors is an integer number (39914028).

Almost surely, 2^1243457082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1243457082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1596561120).

1243457082 is an abundant number, since it is smaller than the sum of its proper divisors (1949665158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1243457082 is a wasteful number, since it uses less digits than its factorization.

1243457082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057 (or 3048 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 1243457082 is about 35262.6868233264. The cubic root of 1243457082 is about 1075.3345508583.

The spelling of 1243457082 in words is "one billion, two hundred forty-three million, four hundred fifty-seven thousand, eighty-two".