1252542006 has 48 divisors (see below), whose sum is σ = 2767733280. Its totient is φ = 409305600.

The previous prime is 1252541989. The next prime is 1252542013. The reversal of 1252542006 is 6002452521.

It is a super-2 number, since 2×1252542006² = 3137722953589008072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 183910 + ... + 190598.

It is an arithmetic number, because the mean of its divisors is an integer number (57661110).

Almost surely, 2^1252542006 is an apocalyptic number.

1252542006 is an abundant number, since it is smaller than the sum of its proper divisors (1515191274).

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

1252542006 is a wasteful number, since it uses less digits than its factorization.

1252542006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901 (or 6898 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1252542006 is about 35391.2701947811. The cubic root of 1252542006 is about 1077.9470620417.

Adding to 1252542006 its reverse (6002452521), we get a palindrome (7254994527).

It can be divided in two parts, 125254 and 2006, that added together give a triangular number (127260 = T₅₀₄).

The spelling of 1252542006 in words is "one billion, two hundred fifty-two million, five hundred forty-two thousand, six".