1206429 has 24 divisors (see below), whose sum is σ = 1942560. Its totient is φ = 663264.

The previous prime is 1206407. The next prime is 1206433. The reversal of 1206429 is 9246021.

It is not a de Polignac number, because 1206429 - 2⁸ = 1206173 is a prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1206399 and 1206408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4122 + ... + 4404.

It is an arithmetic number, because the mean of its divisors is an integer number (80940).

2^1206429 is an apocalyptic number.

It is an amenable number.

1206429 is a deficient number, since it is larger than the sum of its proper divisors (736131).

1206429 is a wasteful number, since it uses less digits than its factorization.

1206429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1206429 is about 1098.3756188117. The cubic root of 1206429 is about 106.4552921297.

The spelling of 1206429 in words is "one million, two hundred six thousand, four hundred twenty-nine".