1231168070 has 16 divisors (see below), whose sum is σ = 2417566608. Its totient is φ = 447697440.

The previous prime is 1231168031. The next prime is 1231168091. The reversal of 1231168070 is 708611321.

It is a congruent 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, 5596109 + ... + 5596328.

It is an arithmetic number, because the mean of its divisors is an integer number (151097913).

Almost surely, 2^1231168070 is an apocalyptic number.

1231168070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231168070 is a deficient number, since it is larger than the sum of its proper divisors (1186398538).

1231168070 is a wasteful number, since it uses less digits than its factorization.

1231168070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11192455.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1231168070 is about 35088.0046454625. The cubic root of 1231168070 is about 1071.7803272638.

Adding to 1231168070 its reverse (708611321), we get a palindrome (1939779391).

The spelling of 1231168070 in words is "one billion, two hundred thirty-one million, one hundred sixty-eight thousand, seventy".