1229948998 has 8 divisors (see below), whose sum is σ = 1850498280. Its totient is φ = 613116240.

The previous prime is 1229948953. The next prime is 1229948999. The reversal of 1229948998 is 8998499221.

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 (1229948999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928303 + ... + 929626.

It is an arithmetic number, because the mean of its divisors is an integer number (231312285).

Almost surely, 2^1229948998 is an apocalyptic number.

1229948998 is a deficient number, since it is larger than the sum of its proper divisors (620549282).

1229948998 is a wasteful number, since it uses less digits than its factorization.

1229948998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858262.

The product of its digits is 6718464, while the sum is 61.

The square root of 1229948998 is about 35070.6287083651. The cubic root of 1229948998 is about 1071.4264603675.

The spelling of 1229948998 in words is "one billion, two hundred twenty-nine million, nine hundred forty-eight thousand, nine hundred ninety-eight".