1252521062 has 16 divisors (see below), whose sum is σ = 2023917840. Its totient is φ = 577911072.

The previous prime is 1252521043. The next prime is 1252521073. The reversal of 1252521062 is 2601252521.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125264 + ... + 134892.

It is an arithmetic number, because the mean of its divisors is an integer number (126494865).

Almost surely, 2^1252521062 is an apocalyptic number.

1252521062 is a deficient number, since it is larger than the sum of its proper divisors (771396778).

1252521062 is a wasteful number, since it uses less digits than its factorization.

1252521062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14647.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1252521062 is about 35390.9743013667. The cubic root of 1252521062 is about 1077.9410538203.

Adding to 1252521062 its reverse (2601252521), we get a palindrome (3853773583).

The spelling of 1252521062 in words is "one billion, two hundred fifty-two million, five hundred twenty-one thousand, sixty-two".