1494998121 has 8 divisors (see below), whose sum is σ = 1995049440. Its totient is φ = 995806112.

The previous prime is 1494998107. The next prime is 1494998143. The reversal of 1494998121 is 1218994941.

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 1494998121 - 2⁷ = 1494997993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1494998101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210756 + ... + 217733.

It is an arithmetic number, because the mean of its divisors is an integer number (249381180).

Almost surely, 2^1494998121 is an apocalyptic number.

It is an amenable number.

1494998121 is a deficient number, since it is larger than the sum of its proper divisors (500051319).

1494998121 is a wasteful number, since it uses less digits than its factorization.

1494998121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429655.

The product of its digits is 186624, while the sum is 48.

The square root of 1494998121 is about 38665.2055600381. The cubic root of 1494998121 is about 1143.4404429419.

The spelling of 1494998121 in words is "one billion, four hundred ninety-four million, nine hundred ninety-eight thousand, one hundred twenty-one".