1229254629 has 8 divisors (see below), whose sum is σ = 1639394592. Its totient is φ = 819308880.

The previous prime is 1229254601. The next prime is 1229254681. The reversal of 1229254629 is 9264529221.

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

It is not a de Polignac number, because 1229254629 - 2¹¹ = 1229252581 is a prime.

It is a super-2 number, since 2×1229254629² = 3022133885835855282, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229254699) by changing a digit.

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, 33079 + ... + 59604.

It is an arithmetic number, because the mean of its divisors is an integer number (204924324).

Almost surely, 2^1229254629 is an apocalyptic number.

It is an amenable number.

1229254629 is a deficient number, since it is larger than the sum of its proper divisors (410139963).

1229254629 is an equidigital number, since it uses as much as digits as its factorization.

1229254629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97107.

The product of its digits is 155520, while the sum is 42.

The square root of 1229254629 is about 35060.7277306105. The cubic root of 1229254629 is about 1071.2247974348.

The spelling of 1229254629 in words is "one billion, two hundred twenty-nine million, two hundred fifty-four thousand, six hundred twenty-nine".