1252454542103 has 4 divisors (see below), whose sum is σ = 1252482198288. Its totient is φ = 1252426885920.

The previous prime is 1252454542049. The next prime is 1252454542117. The reversal of 1252454542103 is 3012454542521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1252454542103 - 2⁸ = 1252454541847 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 (1252454542193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13760051 + ... + 13850772.

It is an arithmetic number, because the mean of its divisors is an integer number (313120549572).

Almost surely, 2^{1252454542103} is an apocalyptic number.

1252454542103 is a deficient number, since it is larger than the sum of its proper divisors (27656185).

1252454542103 is an equidigital number, since it uses as much as digits as its factorization.

1252454542103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27656184.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 1252454542103 in words is "one trillion, two hundred fifty-two billion, four hundred fifty-four million, five hundred forty-two thousand, one hundred three".