1353452121 has 24 divisors (see below), whose sum is σ = 2235708800. Its totient is φ = 772903296.

The previous prime is 1353452101. The next prime is 1353452131. The reversal of 1353452121 is 1212543531.

1353452121 is a `hidden beast` number, since 1 + 3 + 534 + 5 + 2 + 121 = 666.

It is not a de Polignac number, because 1353452121 - 2⁷ = 1353451993 is a prime.

It is a super-3 number, since 3×1353452121³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353452101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106305 + ... + 118353.

Almost surely, 2^1353452121 is an apocalyptic number.

It is an amenable number.

1353452121 is a deficient number, since it is larger than the sum of its proper divisors (882256679).

1353452121 is a wasteful number, since it uses less digits than its factorization.

1353452121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13845 (or 13842 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1353452121 is about 36789.2935648403. The cubic root of 1353452121 is about 1106.1507012661.

Adding to 1353452121 its reverse (1212543531), we get a palindrome (2565995652).

The spelling of 1353452121 in words is "one billion, three hundred fifty-three million, four hundred fifty-two thousand, one hundred twenty-one".