1202206556 has 12 divisors (see below), whose sum is σ = 2152788792. Its totient is φ = 587124048.

The previous prime is 1202206547. The next prime is 1202206613. The reversal of 1202206556 is 6556022021.

It is a super-2 number, since 2×1202206556² = 2890601206578762272, which contains 22 as substring.

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, 3494615 + ... + 3494958.

It is an arithmetic number, because the mean of its divisors is an integer number (179399066).

Almost surely, 2^1202206556 is an apocalyptic number.

It is an amenable number.

1202206556 is a deficient number, since it is larger than the sum of its proper divisors (950582236).

1202206556 is a wasteful number, since it uses less digits than its factorization.

1202206556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989620 (or 6989618 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1202206556 is about 34672.8504164281. The cubic root of 1202206556 is about 1063.3095080424.

Adding to 1202206556 its reverse (6556022021), we get a palindrome (7758228577).

The spelling of 1202206556 in words is "one billion, two hundred two million, two hundred six thousand, five hundred fifty-six".