1252520602 has 8 divisors (see below), whose sum is σ = 1880313300. Its totient is φ = 625749504.

The previous prime is 1252520587. The next prime is 1252520629. The reversal of 1252520602 is 2060252521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 886907961 + 365612641 = 29781^2 + 19121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 252327 + ... + 257242.

Almost surely, 2^1252520602 is an apocalyptic number.

1252520602 is a deficient number, since it is larger than the sum of its proper divisors (627792698).

1252520602 is a wasteful number, since it uses less digits than its factorization.

1252520602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510800.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1252520602 is about 35390.9678025340. The cubic root of 1252520602 is about 1077.9409218590.

The spelling of 1252520602 in words is "one billion, two hundred fifty-two million, five hundred twenty thousand, six hundred two".