1252209606 has 16 divisors (see below), whose sum is σ = 2506690800. Its totient is φ = 417024608.

The previous prime is 1252209601. The next prime is 1252209643. The reversal of 1252209606 is 6069022521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252209601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87441 + ... + 100748.

It is an arithmetic number, because the mean of its divisors is an integer number (156668175).

Almost surely, 2^1252209606 is an apocalyptic number.

1252209606 is an abundant number, since it is smaller than the sum of its proper divisors (1254481194).

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

1252209606 is a wasteful number, since it uses less digits than its factorization.

1252209606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189303.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1252209606 is about 35386.5738098505. The cubic root of 1252209606 is about 1077.8516982928.

The spelling of 1252209606 in words is "one billion, two hundred fifty-two million, two hundred nine thousand, six hundred six".