1298272495 has 8 divisors (see below), whose sum is σ = 1677767616. Its totient is φ = 958724256.

The previous prime is 1298272457. The next prime is 1298272511. The reversal of 1298272495 is 5942728921.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1298272495 - 2⁹ = 1298271983 is a prime.

It is a super-2 number, since 2×1298272495² = 3371022942547050050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9986647 + ... + 9986776.

It is an arithmetic number, because the mean of its divisors is an integer number (209720952).

Almost surely, 2^1298272495 is an apocalyptic number.

1298272495 is a deficient number, since it is larger than the sum of its proper divisors (379495121).

1298272495 is a wasteful number, since it uses less digits than its factorization.

1298272495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19973441.

The product of its digits is 725760, while the sum is 49.

The square root of 1298272495 is about 36031.5486067418. The cubic root of 1298272495 is about 1090.9092362889.

The spelling of 1298272495 in words is "one billion, two hundred ninety-eight million, two hundred seventy-two thousand, four hundred ninety-five".