1298940058 has 8 divisors (see below), whose sum is σ = 2098287828. Its totient is φ = 599510784.

The previous prime is 1298940043. The next prime is 1298940061. The reversal of 1298940058 is 8500498921.

It can be written as a sum of positive squares in 2 ways, for example, as 1293337369 + 5602689 = 35963^2 + 2367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 24979591 + ... + 24979642.

Almost surely, 2^1298940058 is an apocalyptic number.

1298940058 is a deficient number, since it is larger than the sum of its proper divisors (799347770).

1298940058 is a wasteful number, since it uses less digits than its factorization.

1298940058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49959248.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 1298940058 is about 36040.8110064133. The cubic root of 1298940058 is about 1091.0961836518.

The spelling of 1298940058 in words is "one billion, two hundred ninety-eight million, nine hundred forty thousand, fifty-eight".