1298290255 has 8 divisors (see below), whose sum is σ = 1649592432. Its totient is φ = 977536128.

The previous prime is 1298290247. The next prime is 1298290291. The reversal of 1298290255 is 5520928921.

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 1298290255 - 2³ = 1298290247 is a prime.

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, 7636917 + ... + 7637086.

It is an arithmetic number, because the mean of its divisors is an integer number (206199054).

Almost surely, 2^1298290255 is an apocalyptic number.

1298290255 is a deficient number, since it is larger than the sum of its proper divisors (351302177).

1298290255 is a wasteful number, since it uses less digits than its factorization.

1298290255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15274025.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 1298290255 is about 36031.7950565886. The cubic root of 1298290255 is about 1090.9142107093.

The spelling of 1298290255 in words is "one billion, two hundred ninety-eight million, two hundred ninety thousand, two hundred fifty-five".