1252103106 has 16 divisors (see below), whose sum is σ = 2505117024. Its totient is φ = 417215904.

The previous prime is 1252103087. The next prime is 1252103107. The reversal of 1252103106 is 6013012521.

It is not an unprimeable number, because it can be changed into a prime (1252103107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19380 + ... + 53663.

It is an arithmetic number, because the mean of its divisors is an integer number (156569814).

Almost surely, 2^1252103106 is an apocalyptic number.

1252103106 is an abundant number, since it is smaller than the sum of its proper divisors (1253013918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252103106 is a wasteful number, since it uses less digits than its factorization.

1252103106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75905.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1252103106 is about 35385.0689698353. The cubic root of 1252103106 is about 1077.8211404533.

Adding to 1252103106 its reverse (6013012521), we get a palindrome (7265115627).

The spelling of 1252103106 in words is "one billion, two hundred fifty-two million, one hundred three thousand, one hundred six".