1231162070 has 24 divisors (see below), whose sum is σ = 2244612384. Its totient is φ = 486206448.

The previous prime is 1231162067. The next prime is 1231162099. The reversal of 1231162070 is 702611321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52547 + ... + 72273.

It is an arithmetic number, because the mean of its divisors is an integer number (93525516).

Almost surely, 2^1231162070 is an apocalyptic number.

1231162070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231162070 is a deficient number, since it is larger than the sum of its proper divisors (1013450314).

1231162070 is an equidigital number, since it uses as much as digits as its factorization.

1231162070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19892 (or 19813 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1231162070 is about 35087.9191460537. The cubic root of 1231162070 is about 1071.7785861821.

Adding to 1231162070 its reverse (702611321), we get a palindrome (1933773391).

The spelling of 1231162070 in words is "one billion, two hundred thirty-one million, one hundred sixty-two thousand, seventy".