1066121602 has 32 divisors (see below), whose sum is σ = 1969857792. Its totient is φ = 421412544.

The previous prime is 1066121569. The next prime is 1066121603. The reversal of 1066121602 is 2061216601.

It is a super-3 number, since 3×1066121602³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1066121603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401443 + ... + 404089.

It is an arithmetic number, because the mean of its divisors is an integer number (61558056).

Almost surely, 2^1066121602 is an apocalyptic number.

1066121602 is a deficient number, since it is larger than the sum of its proper divisors (903736190).

1066121602 is a wasteful number, since it uses less digits than its factorization.

1066121602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1066121602 is about 32651.5176063839. The cubic root of 1066121602 is about 1021.5718434574.

The spelling of 1066121602 in words is "one billion, sixty-six million, one hundred twenty-one thousand, six hundred two".