248453121 has 16 divisors (see below), whose sum is σ = 391651200. Its totient is φ = 137077248.

The previous prime is 248453119. The next prime is 248453131. The reversal of 248453121 is 121354842.

It is not a de Polignac number, because 248453121 - 2¹ = 248453119 is a prime.

It is a super-3 number, since 3×248453121³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (248453111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203376 + ... + 204593.

It is an arithmetic number, because the mean of its divisors is an integer number (24478200).

Almost surely, 2^248453121 is an apocalyptic number.

248453121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

248453121 is a deficient number, since it is larger than the sum of its proper divisors (143198079).

248453121 is a wasteful number, since it uses less digits than its factorization.

248453121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408008.

The product of its digits is 7680, while the sum is 30.

The square root of 248453121 is about 15762.3957887118. The cubic root of 248453121 is about 628.6585389480.

It can be divided in two parts, 24845 and 3121, that added together give a triangular number (27966 = T₂₃₆).

The spelling of 248453121 in words is "two hundred forty-eight million, four hundred fifty-three thousand, one hundred twenty-one".