1072652109 has 4 divisors (see below), whose sum is σ = 1430202816. Its totient is φ = 715101404.

The previous prime is 1072652083. The next prime is 1072652117. The reversal of 1072652109 is 9012562701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1072652109 - 2⁹ = 1072651597 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1072652109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072652129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178775349 + ... + 178775354.

It is an arithmetic number, because the mean of its divisors is an integer number (357550704).

Almost surely, 2^1072652109 is an apocalyptic number.

It is an amenable number.

1072652109 is a deficient number, since it is larger than the sum of its proper divisors (357550707).

1072652109 is an equidigital number, since it uses as much as digits as its factorization.

1072652109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357550706.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 1072652109 is about 32751.3680477625. The cubic root of 1072652109 is about 1023.6534716765.

It can be divided in two parts, 10726 and 52109, that added together give a triangular number (62835 = T₃₅₄).

The spelling of 1072652109 in words is "one billion, seventy-two million, six hundred fifty-two thousand, one hundred nine".