1020723706 has 16 divisors (see below), whose sum is σ = 1551566016. Its totient is φ = 503580256.

The previous prime is 1020723703. The next prime is 1020723709. The reversal of 1020723706 is 6073270201.

It is an interprime number because it is at equal distance from previous prime (1020723703) and next prime (1020723709).

It is not an unprimeable number, because it can be changed into a prime (1020723703) 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 7 ways as a sum of consecutive naturals, for example, 34605 + ... + 56911.

It is an arithmetic number, because the mean of its divisors is an integer number (96972876).

Almost surely, 2^1020723706 is an apocalyptic number.

1020723706 is a deficient number, since it is larger than the sum of its proper divisors (530842310).

1020723706 is a wasteful number, since it uses less digits than its factorization.

1020723706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22613.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 1020723706 is about 31948.7668932621. The cubic root of 1020723706 is about 1006.8607248113.

Adding to 1020723706 its reverse (6073270201), we get a palindrome (7093993907).

The spelling of 1020723706 in words is "one billion, twenty million, seven hundred twenty-three thousand, seven hundred six".