248520128 has 14 divisors (see below), whose sum is σ = 493157256. Its totient is φ = 124260032.

The previous prime is 248520101. The next prime is 248520131. The reversal of 248520128 is 821025842.

It is a super-2 number, since 2×248520128² = 123524508042272768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 248520094 and 248520103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1941500 + ... + 1941627.

Almost surely, 2^248520128 is an apocalyptic number.

It is an amenable number.

248520128 is a deficient number, since it is larger than the sum of its proper divisors (244637128).

248520128 is an equidigital number, since it uses as much as digits as its factorization.

248520128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883139 (or 3883129 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 248520128 is about 15764.5211789004. The cubic root of 248520128 is about 628.7150495903.

The spelling of 248520128 in words is "two hundred forty-eight million, five hundred twenty thousand, one hundred twenty-eight".