998124007 has 8 divisors (see below), whose sum is σ = 1023339456. Its totient is φ = 973074432.

The previous prime is 998123983. The next prime is 998124013. The reversal of 998124007 is 700421899.

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 998124007 - 2⁷ = 998123879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998124607) 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, 29238 + ... + 53395.

It is an arithmetic number, because the mean of its divisors is an integer number (127917432).

Almost surely, 2^998124007 is an apocalyptic number.

998124007 is a deficient number, since it is larger than the sum of its proper divisors (25215449).

998124007 is a wasteful number, since it uses less digits than its factorization.

998124007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82937.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 998124007 is about 31593.1006233956. The cubic root of 998124007 is about 999.3742775531.

The spelling of 998124007 in words is "nine hundred ninety-eight million, one hundred twenty-four thousand, seven".