253028121 has 8 divisors (see below), whose sum is σ = 337723584. Its totient is φ = 168509040.

The previous prime is 253028117. The next prime is 253028173. The reversal of 253028121 is 121820352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253028121 - 2² = 253028117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253028091 and 253028100.

It is not an unprimeable number, because it can be changed into a prime (253028021) 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, 40710 + ... + 46511.

It is an arithmetic number, because the mean of its divisors is an integer number (42215448).

Almost surely, 2^253028121 is an apocalyptic number.

It is an amenable number.

253028121 is a deficient number, since it is larger than the sum of its proper divisors (84695463).

253028121 is an equidigital number, since it uses as much as digits as its factorization.

253028121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88191.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 253028121 is about 15906.8576720860. The cubic root of 253028121 is about 632.4937865419.

Adding to 253028121 its reverse (121820352), we get a palindrome (374848473).

The spelling of 253028121 in words is "two hundred fifty-three million, twenty-eight thousand, one hundred twenty-one".