1229051825 has 12 divisors (see below), whose sum is σ = 1535662128. Its totient is φ = 975733200.

The previous prime is 1229051809. The next prime is 1229051861. The reversal of 1229051825 is 5281509221.

It is not a de Polignac number, because 1229051825 - 2⁴ = 1229051809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184367 + ... + 190916.

It is an arithmetic number, because the mean of its divisors is an integer number (127971844).

Almost surely, 2^1229051825 is an apocalyptic number.

It is an amenable number.

1229051825 is a deficient number, since it is larger than the sum of its proper divisors (306610303).

1229051825 is a wasteful number, since it uses less digits than its factorization.

1229051825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375424 (or 375419 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 1229051825 is about 35057.8354294728. The cubic root of 1229051825 is about 1071.1658835160.

The spelling of 1229051825 in words is "one billion, two hundred twenty-nine million, fifty-one thousand, eight hundred twenty-five".