1246485556 has 6 divisors (see below), whose sum is σ = 2181349730. Its totient is φ = 623242776.

The previous prime is 1246485553. The next prime is 1246485571. The reversal of 1246485556 is 6555846421.

It can be written as a sum of positive squares in only one way, i.e., 1122920100 + 123565456 = 33510^2 + 11116^2 .

It is a super-3 number, since 3×1246485556³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246485553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155810691 + ... + 155810698.

Almost surely, 2^1246485556 is an apocalyptic number.

It is an amenable number.

1246485556 is a deficient number, since it is larger than the sum of its proper divisors (934864174).

1246485556 is a wasteful number, since it uses less digits than its factorization.

1246485556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311621393 (or 311621391 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 46.

The square root of 1246485556 is about 35305.6023316414. The cubic root of 1246485556 is about 1076.2068453890.

The spelling of 1246485556 in words is "one billion, two hundred forty-six million, four hundred eighty-five thousand, five hundred fifty-six".