1230236429 has 4 divisors (see below), whose sum is σ = 1242180576. Its totient is φ = 1218292284.

The previous prime is 1230236363. The next prime is 1230236461. The reversal of 1230236429 is 9246320321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1230236429 - 2²⁰ = 1229187853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230236395 and 1230236404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230236629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5971919 + ... + 5972124.

It is an arithmetic number, because the mean of its divisors is an integer number (310545144).

Almost surely, 2^1230236429 is an apocalyptic number.

It is an amenable number.

1230236429 is a deficient number, since it is larger than the sum of its proper divisors (11944147).

1230236429 is a wasteful number, since it uses less digits than its factorization.

1230236429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11944146.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1230236429 is about 35074.7263567373. The cubic root of 1230236429 is about 1071.5099156417.

The spelling of 1230236429 in words is "one billion, two hundred thirty million, two hundred thirty-six thousand, four hundred twenty-nine".