1298134956 has 48 divisors (see below), whose sum is σ = 3064449024. Its totient is φ = 427662336.

The previous prime is 1298134949. The next prime is 1298134963. The reversal of 1298134956 is 6594318921.

It is an interprime number because it is at equal distance from previous prime (1298134949) and next prime (1298134963).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1066060 + ... + 1067276.

It is an arithmetic number, because the mean of its divisors is an integer number (63842688).

Almost surely, 2^1298134956 is an apocalyptic number.

It is an amenable number.

1298134956 is an abundant number, since it is smaller than the sum of its proper divisors (1766314068).

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

1298134956 is a wasteful number, since it uses less digits than its factorization.

1298134956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190 (or 2188 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 1298134956 is about 36029.6399648956. The cubic root of 1298134956 is about 1090.8707112836.

The spelling of 1298134956 in words is "one billion, two hundred ninety-eight million, one hundred thirty-four thousand, nine hundred fifty-six".