1271300398 has 8 divisors (see below), whose sum is σ = 1923826608. Its totient is φ = 630024864.

The previous prime is 1271300291. The next prime is 1271300399. The reversal of 1271300398 is 8930031721.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271300399) 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, 2812386 + ... + 2812837.

It is an arithmetic number, because the mean of its divisors is an integer number (240478326).

Almost surely, 2^1271300398 is an apocalyptic number.

1271300398 is a deficient number, since it is larger than the sum of its proper divisors (652526210).

1271300398 is a wasteful number, since it uses less digits than its factorization.

1271300398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5625338.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1271300398 is about 35655.2997182747. The cubic root of 1271300398 is about 1083.3016242764.

The spelling of 1271300398 in words is "one billion, two hundred seventy-one million, three hundred thousand, three hundred ninety-eight".