5123978 has 8 divisors (see below), whose sum is σ = 7706340. Its totient is φ = 2555200.

The previous prime is 5123969. The next prime is 5123983. The reversal of 5123978 is 8793215.

It can be written as a sum of positive squares in 2 ways, for example, as 5121169 + 2809 = 2263^2 + 53^2 .

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, 2393 + ... + 3996.

Almost surely, 2^5123978 is an apocalyptic number.

5123978 is a deficient number, since it is larger than the sum of its proper divisors (2582362).

5123978 is a wasteful number, since it uses less digits than its factorization.

5123978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6792.

The product of its digits is 15120, while the sum is 35.

The square root of 5123978 is about 2263.6205512409. The cubic root of 5123978 is about 172.3994008409.

The spelling of 5123978 in words is "five million, one hundred twenty-three thousand, nine hundred seventy-eight".