1253056406 has 8 divisors (see below), whose sum is σ = 2148096720. Its totient is φ = 537024168.

The previous prime is 1253056397. The next prime is 1253056423. The reversal of 1253056406 is 6046503521.

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

It is a congruent number.

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, 44752001 + ... + 44752028.

It is an arithmetic number, because the mean of its divisors is an integer number (268512090).

Almost surely, 2^1253056406 is an apocalyptic number.

1253056406 is a deficient number, since it is larger than the sum of its proper divisors (895040314).

1253056406 is an equidigital number, since it uses as much as digits as its factorization.

1253056406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89504038.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1253056406 is about 35398.5367776692. The cubic root of 1253056406 is about 1078.0946073471.

Adding to 1253056406 its reverse (6046503521), we get a palindrome (7299559927).

The spelling of 1253056406 in words is "one billion, two hundred fifty-three million, fifty-six thousand, four hundred six".