1007206505 has 8 divisors (see below), whose sum is σ = 1210537224. Its totient is φ = 804505600.

The previous prime is 1007206493. The next prime is 1007206513. The reversal of 1007206505 is 5056027001.

It can be written as a sum of positive squares in 4 ways, for example, as 195412441 + 811794064 = 13979^2 + 28492^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1007206505 - 2²² = 1003012201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153926 + ... + 160335.

It is an arithmetic number, because the mean of its divisors is an integer number (151317153).

Almost surely, 2^1007206505 is an apocalyptic number.

It is an amenable number.

1007206505 is a deficient number, since it is larger than the sum of its proper divisors (203330719).

1007206505 is an equidigital number, since it uses as much as digits as its factorization.

1007206505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314907.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 1007206505 is about 31736.5169008825. The cubic root of 1007206505 is about 1002.3964209127.

The spelling of 1007206505 in words is "one billion, seven million, two hundred six thousand, five hundred five".