1253856234 has 16 divisors (see below), whose sum is σ = 2514549888. Its totient is φ = 416812512.

The previous prime is 1253856229. The next prime is 1253856251. The reversal of 1253856234 is 4326583521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1253856192 and 1253856201.

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 7 ways as a sum of consecutive naturals, for example, 282507 + ... + 286910.

It is an arithmetic number, because the mean of its divisors is an integer number (157159368).

Almost surely, 2^1253856234 is an apocalyptic number.

1253856234 is an abundant number, since it is smaller than the sum of its proper divisors (1260693654).

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

1253856234 is a wasteful number, since it uses less digits than its factorization.

1253856234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569789.

The product of its digits is 172800, while the sum is 39.

The square root of 1253856234 is about 35409.8324480645. The cubic root of 1253856234 is about 1078.3239417563.

The spelling of 1253856234 in words is "one billion, two hundred fifty-three million, eight hundred fifty-six thousand, two hundred thirty-four".