1241002556 has 12 divisors (see below), whose sum is σ = 2286057480. Its totient is φ = 587843280.

The previous prime is 1241002549. The next prime is 1241002589. The reversal of 1241002556 is 6552001421.

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, 8164415 + ... + 8164566.

It is an arithmetic number, because the mean of its divisors is an integer number (190504790).

Almost surely, 2^1241002556 is an apocalyptic number.

It is an amenable number.

1241002556 is a deficient number, since it is larger than the sum of its proper divisors (1045054924).

1241002556 is a wasteful number, since it uses less digits than its factorization.

1241002556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16329004 (or 16329002 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1241002556 is about 35227.8661857343. The cubic root of 1241002556 is about 1074.6265314536.

Adding to 1241002556 its reverse (6552001421), we get a palindrome (7793003977).

The spelling of 1241002556 in words is "one billion, two hundred forty-one million, two thousand, five hundred fifty-six".