1230526556 has 48 divisors (see below), whose sum is σ = 2503958016. Its totient is φ = 518215104.

The previous prime is 1230526553. The next prime is 1230526573. The reversal of 1230526556 is 6556250321.

It is a super-2 number, since 2×1230526556² = 3028391210042442272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230526553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1494761 + ... + 1495583.

It is an arithmetic number, because the mean of its divisors is an integer number (52165792).

Almost surely, 2^1230526556 is an apocalyptic number.

It is an amenable number.

1230526556 is an abundant number, since it is smaller than the sum of its proper divisors (1273431460).

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

1230526556 is a wasteful number, since it uses less digits than its factorization.

1230526556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1696 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 1230526556 is about 35078.8619541741. The cubic root of 1230526556 is about 1071.5941405151.

Adding to 1230526556 its reverse (6556250321), we get a palindrome (7786776877).

The spelling of 1230526556 in words is "one billion, two hundred thirty million, five hundred twenty-six thousand, five hundred fifty-six".