5121898 has 8 divisors (see below), whose sum is σ = 7695108. Its totient is φ = 2556864.

The previous prime is 5121889. The next prime is 5121901. The reversal of 5121898 is 8981215.

It can be written as a sum of positive squares in 2 ways, for example, as 5121169 + 729 = 2263^2 + 27^2 .

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, 111 + ... + 3202.

Almost surely, 2^5121898 is an apocalyptic number.

5121898 is a deficient number, since it is larger than the sum of its proper divisors (2573210).

5121898 is a wasteful number, since it uses less digits than its factorization.

5121898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088.

The product of its digits is 5760, while the sum is 34.

The square root of 5121898 is about 2263.1610636453. The cubic root of 5121898 is about 172.3760700560.

The spelling of 5121898 in words is "five million, one hundred twenty-one thousand, eight hundred ninety-eight".