1061556 has 12 divisors (see below), whose sum is σ = 2476992. Its totient is φ = 353848.

The previous prime is 1061527. The next prime is 1061561. The reversal of 1061556 is 6551601.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×1061556³ = 3588806003339302848, which contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 44220 + ... + 44243.

It is an arithmetic number, because the mean of its divisors is an integer number (206416).

2^1061556 is an apocalyptic number.

It is an amenable number.

1061556 is an abundant number, since it is smaller than the sum of its proper divisors (1415436).

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

1061556 is a wasteful number, since it uses less digits than its factorization.

1061556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88470 (or 88468 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1061556 is about 1030.3183973899. The cubic root of 1061556 is about 102.0111483393.

The spelling of 1061556 in words is "one million, sixty-one thousand, five hundred fifty-six".