1252506102 has 32 divisors (see below), whose sum is σ = 2560909824. Its totient is φ = 408204000.

The previous prime is 1252506061. The next prime is 1252506109. The reversal of 1252506102 is 2016052521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252506109) 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, 407652 + ... + 410712.

It is an arithmetic number, because the mean of its divisors is an integer number (80028432).

Almost surely, 2^1252506102 is an apocalyptic number.

1252506102 is an abundant number, since it is smaller than the sum of its proper divisors (1308403722).

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

1252506102 is a wasteful number, since it uses less digits than its factorization.

1252506102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1252506102 is about 35390.7629474133. The cubic root of 1252506102 is about 1077.9367621926.

Adding to 1252506102 its reverse (2016052521), we get a palindrome (3268558623).

The spelling of 1252506102 in words is "one billion, two hundred fifty-two million, five hundred six thousand, one hundred two".