1252203103 has 2 divisors, whose sum is σ = 1252203104. Its totient is φ = 1252203102.

The previous prime is 1252203089. The next prime is 1252203143. The reversal of 1252203103 is 3013022521.

It is a weak prime.

It is an emirp because it is prime and its reverse (3013022521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1252203103 - 2²¹ = 1250105951 is a prime.

It is a super-2 number, since 2×1252203103² = 3136025222325657218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252203143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626101551 + 626101552.

It is an arithmetic number, because the mean of its divisors is an integer number (626101552).

Almost surely, 2^1252203103 is an apocalyptic number.

1252203103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252203103 is an equidigital number, since it uses as much as digits as its factorization.

1252203103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1252203103 is about 35386.4819245994. The cubic root of 1252203103 is about 1077.8498324492.

Adding to 1252203103 its reverse (3013022521), we get a palindrome (4265225624).

The spelling of 1252203103 in words is "one billion, two hundred fifty-two million, two hundred three thousand, one hundred three".