1252208042 has 8 divisors (see below), whose sum is σ = 1887847236. Its totient is φ = 622925632.

The previous prime is 1252208029. The next prime is 1252208077. The reversal of 1252208042 is 2408022521.

It can be written as a sum of positive squares in 2 ways, for example, as 1251107641 + 1100401 = 35371^2 + 1049^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1588703 + ... + 1589490.

Almost surely, 2^1252208042 is an apocalyptic number.

1252208042 is a deficient number, since it is larger than the sum of its proper divisors (635639194).

1252208042 is a wasteful number, since it uses less digits than its factorization.

1252208042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178392.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 1252208042 is about 35386.5517110667. The cubic root of 1252208042 is about 1077.8512495498.

The spelling of 1252208042 in words is "one billion, two hundred fifty-two million, two hundred eight thousand, forty-two".