1072031205 has 64 divisors (see below), whose sum is σ = 2069821440. Its totient is φ = 462848256.

The previous prime is 1072031161. The next prime is 1072031267. The reversal of 1072031205 is 5021302701.

It is not a de Polignac number, because 1072031205 - 2¹³ = 1072023013 is a prime.

It is a super-2 number, since 2×1072031205² = 2298501808987504050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 883179 + ... + 884391.

It is an arithmetic number, because the mean of its divisors is an integer number (32340960).

Almost surely, 2^1072031205 is an apocalyptic number.

1072031205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1072031205 is a deficient number, since it is larger than the sum of its proper divisors (997790235).

1072031205 is a wasteful number, since it uses less digits than its factorization.

1072031205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1072031205 is about 32741.8876212108. The cubic root of 1072031205 is about 1023.4559198309.

Adding to 1072031205 its reverse (5021302701), we get a palindrome (6093333906).

The spelling of 1072031205 in words is "one billion, seventy-two million, thirty-one thousand, two hundred five".