1254210103453 has 16 divisors (see below), whose sum is σ = 1373858653680. Its totient is φ = 1139663056896.

The previous prime is 1254210103451. The next prime is 1254210103457. The reversal of 1254210103453 is 3543010124521.

It can be written as a sum of positive squares in 8 ways, for example, as 86561289369 + 1167648814084 = 294213^2 + 1080578^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254210103453 - 2¹ = 1254210103451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254210103451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9912001 + ... + 10037737.

It is an arithmetic number, because the mean of its divisors is an integer number (85866165855).

Almost surely, 2^{1254210103453} is an apocalyptic number.

It is an amenable number.

1254210103453 is a deficient number, since it is larger than the sum of its proper divisors (119648550227).

1254210103453 is a wasteful number, since it uses less digits than its factorization.

1254210103453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146016.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1254210103453 its reverse (3543010124521), we get a palindrome (4797220227974).

The spelling of 1254210103453 in words is "one trillion, two hundred fifty-four billion, two hundred ten million, one hundred three thousand, four hundred fifty-three".