1098129146 has 8 divisors (see below), whose sum is σ = 1648893024. Its totient is φ = 548498140.

The previous prime is 1098129139. The next prime is 1098129203. The reversal of 1098129146 is 6419218901.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280790 + ... + 284673.

It is an arithmetic number, because the mean of its divisors is an integer number (206111628).

Almost surely, 2^1098129146 is an apocalyptic number.

1098129146 is a deficient number, since it is larger than the sum of its proper divisors (550763878).

1098129146 is an equidigital number, since it uses as much as digits as its factorization.

1098129146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566436.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 1098129146 is about 33138.0317158397. The cubic root of 1098129146 is about 1031.6945574894.

The spelling of 1098129146 in words is "one billion, ninety-eight million, one hundred twenty-nine thousand, one hundred forty-six".