1298181468 has 12 divisors (see below), whose sum is σ = 3029090120. Its totient is φ = 432727152.

The previous prime is 1298181463. The next prime is 1298181473. The reversal of 1298181468 is 8641818921.

It is an interprime number because it is at equal distance from previous prime (1298181463) and next prime (1298181473).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298181463) 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, 54090883 + ... + 54090906.

Almost surely, 2^1298181468 is an apocalyptic number.

It is an amenable number.

1298181468 is an abundant number, since it is smaller than the sum of its proper divisors (1730908652).

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

1298181468 is a wasteful number, since it uses less digits than its factorization.

1298181468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108181796 (or 108181794 counting only the distinct ones).

The product of its digits is 221184, while the sum is 48.

The square root of 1298181468 is about 36030.2854276788. The cubic root of 1298181468 is about 1090.8837397114.

It can be divided in two parts, 12981 and 81468, that added together give a palindrome (94449).

The spelling of 1298181468 in words is "one billion, two hundred ninety-eight million, one hundred eighty-one thousand, four hundred sixty-eight".