1090429 has 8 divisors (see below), whose sum is σ = 1188000. Its totient is φ = 996912.

The previous prime is 1090423. The next prime is 1090457. The reversal of 1090429 is 9240901.

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

It is a cyclic number.

It is not a de Polignac number, because 1090429 - 2³ = 1090421 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439 + ... + 1540.

It is an arithmetic number, because the mean of its divisors is an integer number (148500).

2^1090429 is an apocalyptic number.

1090429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1090429 is a deficient number, since it is larger than the sum of its proper divisors (97571).

1090429 is a wasteful number, since it uses less digits than its factorization.

1090429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1090429 is about 1044.2360844177. The cubic root of 1090429 is about 102.9277464801.

The spelling of 1090429 in words is "one million, ninety thousand, four hundred twenty-nine".