1029190561 has 9 divisors (see below), whose sum is σ = 1197482961. Its totient is φ = 881970852.

The previous prime is 1029190543. The next prime is 1029190577. The reversal of 1029190561 is 1650919201.

It is a happy number.

The square root of 1029190561 is 32081.

It is a perfect power (a square), and thus also a powerful number.

1029190561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1029190561 - 2⁵ = 1029190529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1029190061) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 222276 + ... + 226858.

Almost surely, 2^1029190561 is an apocalyptic number.

1029190561 is the 32081-st square number.

1029190561 is the 16041-st centered octagonal number.

It is an amenable number.

1029190561 is a deficient number, since it is larger than the sum of its proper divisors (168292400).

1029190561 is an frugal number, since it uses more digits than its factorization.

1029190561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9180 (or 4590 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 34.

The cubic root of 1029190561 is about 1009.6370165749.

The spelling of 1029190561 in words is "one billion, twenty-nine million, one hundred ninety thousand, five hundred sixty-one".