1245429 has 16 divisors (see below), whose sum is σ = 1862400. Its totient is φ = 822528.

The previous prime is 1245421. The next prime is 1245449. The reversal of 1245429 is 9245421.

It is not a de Polignac number, because 1245429 - 2³ = 1245421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1245429 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5092 + ... + 5330.

It is an arithmetic number, because the mean of its divisors is an integer number (116400).

2^1245429 is an apocalyptic number.

It is an amenable number.

1245429 is a deficient number, since it is larger than the sum of its proper divisors (616971).

1245429 is a wasteful number, since it uses less digits than its factorization.

1245429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 435 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1245429 is about 1115.9879031602. The cubic root of 1245429 is about 107.5902685099.

Adding to 1245429 its sum of digits (27), we get a square (1245456 = 1116²).

The spelling of 1245429 in words is "one million, two hundred forty-five thousand, four hundred twenty-nine".