1354421123450 has 12 divisors (see below), whose sum is σ = 2519223289710. Its totient is φ = 541768449360.

The previous prime is 1354421123449. The next prime is 1354421123467. The reversal of 1354421123450 is 543211244531.

It can be written as a sum of positive squares in 3 ways, for example, as 934313626801 + 420107496649 = 966599^2 + 648157^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1354421123450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13544211185 + ... + 13544211284.

Almost surely, 2^{1354421123450} is an apocalyptic number.

1354421123450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1354421123450 is a deficient number, since it is larger than the sum of its proper divisors (1164802166260).

1354421123450 is a wasteful number, since it uses less digits than its factorization.

1354421123450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27088422481 (or 27088422476 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 1354421123450 its reverse (543211244531), we get a palindrome (1897632367981).

The spelling of 1354421123450 in words is "one trillion, three hundred fifty-four billion, four hundred twenty-one million, one hundred twenty-three thousand, four hundred fifty".