1229351025 has 48 divisors (see below), whose sum is σ = 2354781824. Its totient is φ = 554273280.

The previous prime is 1229351023. The next prime is 1229351033. The reversal of 1229351025 is 5201539221.

It is not a de Polignac number, because 1229351025 - 2¹ = 1229351023 is a prime.

It is a super-2 number, since 2×1229351025² = 3022607885337101250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1229350983 and 1229351001.

It is not an unprimeable number, because it can be changed into a prime (1229351021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22287 + ... + 54363.

Almost surely, 2^1229351025 is an apocalyptic number.

1229351025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1229351025 is a deficient number, since it is larger than the sum of its proper divisors (1125430799).

1229351025 is a wasteful number, since it uses less digits than its factorization.

1229351025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32170 (or 32165 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1229351025 is about 35062.1024041628. The cubic root of 1229351025 is about 1071.2527978952.

The spelling of 1229351025 in words is "one billion, two hundred twenty-nine million, three hundred fifty-one thousand, twenty-five".