1298420147 has 8 divisors (see below), whose sum is σ = 1302244032. Its totient is φ = 1294603200.

The previous prime is 1298420143. The next prime is 1298420231. The reversal of 1298420147 is 7410248921.

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 1298420147 - 2² = 1298420143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1298420147.

It is not an unprimeable number, because it can be changed into a prime (1298420143) 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, 872438 + ... + 873924.

It is an arithmetic number, because the mean of its divisors is an integer number (162780504).

Almost surely, 2^1298420147 is an apocalyptic number.

1298420147 is a deficient number, since it is larger than the sum of its proper divisors (3823885).

1298420147 is a wasteful number, since it uses less digits than its factorization.

1298420147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1298420147 is about 36033.5974751342. The cubic root of 1298420147 is about 1090.9505909417.

The spelling of 1298420147 in words is "one billion, two hundred ninety-eight million, four hundred twenty thousand, one hundred forty-seven".