1353020120450 has 24 divisors (see below), whose sum is σ = 2664653744772. Its totient is φ = 509372280320.

The previous prime is 1353020120437. The next prime is 1353020120461. The reversal of 1353020120450 is 540210203531.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 744094286881 + 608925833569 = 862609^2 + 780337^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 795893339 + ... + 795895038.

Almost surely, 2^{1353020120450} is an apocalyptic number.

1353020120450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1353020120450 is a deficient number, since it is larger than the sum of its proper divisors (1311633624322).

1353020120450 is a wasteful number, since it uses less digits than its factorization.

1353020120450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591788406 (or 1591788401 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 1353020120450 its reverse (540210203531), we get a palindrome (1893230323981).

The spelling of 1353020120450 in words is "one trillion, three hundred fifty-three billion, twenty million, one hundred twenty thousand, four hundred fifty".