253090128 has 40 divisors (see below), whose sum is σ = 657450976. Its totient is φ = 83894400.

The previous prime is 253090121. The next prime is 253090129. The reversal of 253090128 is 821090352.

It is a happy number.

253090128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×253090128² = 128109225782112768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253090095 and 253090104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253090121) 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, 5878 + ... + 23253.

Almost surely, 2^253090128 is an apocalyptic number.

It is an amenable number.

253090128 is an abundant number, since it is smaller than the sum of its proper divisors (404360848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253090128 is a wasteful number, since it uses less digits than its factorization.

253090128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29323 (or 29317 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 253090128 is about 15908.8066177196. The cubic root of 253090128 is about 632.5454485717.

The spelling of 253090128 in words is "two hundred fifty-three million, ninety thousand, one hundred twenty-eight".