1252673906 has 8 divisors (see below), whose sum is σ = 2049830064. Its totient is φ = 569397220.

The previous prime is 1252673881. The next prime is 1252673959. The reversal of 1252673906 is 6093762521.

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, 28469840 + ... + 28469883.

It is an arithmetic number, because the mean of its divisors is an integer number (256228758).

Almost surely, 2^1252673906 is an apocalyptic number.

1252673906 is a deficient number, since it is larger than the sum of its proper divisors (797156158).

1252673906 is a wasteful number, since it uses less digits than its factorization.

1252673906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56939736.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 1252673906 is about 35393.1335996122. The cubic root of 1252673906 is about 1077.9848987573.

The spelling of 1252673906 in words is "one billion, two hundred fifty-two million, six hundred seventy-three thousand, nine hundred six".