1231245168 has 20 divisors (see below), whose sum is σ = 3180716808. Its totient is φ = 410415040.

The previous prime is 1231245161. The next prime is 1231245203. The reversal of 1231245168 is 8615421321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231245161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12825423 + ... + 12825518.

Almost surely, 2^1231245168 is an apocalyptic number.

It is an amenable number.

1231245168 is an abundant number, since it is smaller than the sum of its proper divisors (1949471640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231245168 is a wasteful number, since it uses less digits than its factorization.

1231245168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25650952 (or 25650946 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 1231245168 is about 35089.1032658288. The cubic root of 1231245168 is about 1071.8026990793.

Adding to 1231245168 its reverse (8615421321), we get a palindrome (9846666489).

The spelling of 1231245168 in words is "one billion, two hundred thirty-one million, two hundred forty-five thousand, one hundred sixty-eight".