1298802427 has 8 divisors (see below), whose sum is σ = 1399616064. Its totient is φ = 1198118208.

The previous prime is 1298802409. The next prime is 1298802467. The reversal of 1298802427 is 7242088921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1298802427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1298802467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10978 + ... + 52135.

It is an arithmetic number, because the mean of its divisors is an integer number (174952008).

Almost surely, 2^1298802427 is an apocalyptic number.

1298802427 is a deficient number, since it is larger than the sum of its proper divisors (100813637).

1298802427 is a wasteful number, since it uses less digits than its factorization.

1298802427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64709.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 1298802427 is about 36038.9015787107. The cubic root of 1298802427 is about 1091.0576460862.

The spelling of 1298802427 in words is "one billion, two hundred ninety-eight million, eight hundred two thousand, four hundred twenty-seven".