1354353121 has 12 divisors (see below), whose sum is σ = 1498172116. Its totient is φ = 1223370720.

The previous prime is 1354353103. The next prime is 1354353131. The reversal of 1354353121 is 1213534531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1035230625 + 319122496 = 32175^2 + 17864^2 .

It is not a de Polignac number, because 1354353121 - 2⁹ = 1354352609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1354353121.

It is not an unprimeable number, because it can be changed into a prime (1354353101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16650 + ... + 54643.

Almost surely, 2^1354353121 is an apocalyptic number.

1354353121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1354353121 is a deficient number, since it is larger than the sum of its proper divisors (143818995).

1354353121 is a wasteful number, since it uses less digits than its factorization.

1354353121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71472 (or 71461 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 1354353121 is about 36801.5369380139. The cubic root of 1354353121 is about 1106.3961035456.

Adding to 1354353121 its reverse (1213534531), we get a palindrome (2567887652).

The spelling of 1354353121 in words is "one billion, three hundred fifty-four million, three hundred fifty-three thousand, one hundred twenty-one".