1229653025 has 12 divisors (see below), whose sum is σ = 1591064832. Its totient is φ = 940951440.

The previous prime is 1229653013. The next prime is 1229653063. The reversal of 1229653025 is 5203569221.

It is not a de Polignac number, because 1229653025 - 2⁸ = 1229652769 is a prime.

It is a Duffinian number.

It is a Curzon 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, 1068689 + ... + 1069838.

It is an arithmetic number, because the mean of its divisors is an integer number (132588736).

Almost surely, 2^1229653025 is an apocalyptic number.

It is an amenable number.

1229653025 is a deficient number, since it is larger than the sum of its proper divisors (361411807).

1229653025 is a wasteful number, since it uses less digits than its factorization.

1229653025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138560 (or 2138555 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1229653025 is about 35066.4087839060. The cubic root of 1229653025 is about 1071.3405113446.

The spelling of 1229653025 in words is "one billion, two hundred twenty-nine million, six hundred fifty-three thousand, twenty-five".