1206331071 has 48 divisors (see below), whose sum is σ = 1931341440. Its totient is φ = 662333760.

The previous prime is 1206331031. The next prime is 1206331081. The reversal of 1206331071 is 1701336021.

It is not a de Polignac number, because 1206331071 - 2¹¹ = 1206329023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206331031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 329865 + ... + 333501.

It is an arithmetic number, because the mean of its divisors is an integer number (40236280).

Almost surely, 2^1206331071 is an apocalyptic number.

1206331071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1206331071 is a deficient number, since it is larger than the sum of its proper divisors (725010369).

1206331071 is a wasteful number, since it uses less digits than its factorization.

1206331071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716 (or 3693 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1206331071 is about 34732.2770776694. The cubic root of 1206331071 is about 1064.5241163353.

Adding to 1206331071 its reverse (1701336021), we get a palindrome (2907667092).

It can be divided in two parts, 12063 and 31071, that added together give a palindrome (43134).

The spelling of 1206331071 in words is "one billion, two hundred six million, three hundred thirty-one thousand, seventy-one".