1409122798 has 4 divisors (see below), whose sum is σ = 2113684200. Its totient is φ = 704561398.

The previous prime is 1409122739. The next prime is 1409122817. The reversal of 1409122798 is 8972219041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352280698 + ... + 352280701.

It is an arithmetic number, because the mean of its divisors is an integer number (528421050).

Almost surely, 2^1409122798 is an apocalyptic number.

1409122798 is a deficient number, since it is larger than the sum of its proper divisors (704561402).

1409122798 is an equidigital number, since it uses as much as digits as its factorization.

1409122798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704561401.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 1409122798 is about 37538.2844306982. The cubic root of 1409122798 is about 1121.1135815276.

The spelling of 1409122798 in words is "one billion, four hundred nine million, one hundred twenty-two thousand, seven hundred ninety-eight".