1248429 has 32 divisors (see below), whose sum is σ = 2177280. Its totient is φ = 617472.

The previous prime is 1248427. The next prime is 1248449. The reversal of 1248429 is 9248421.

It is not a de Polignac number, because 1248429 - 2¹ = 1248427 is a prime.

1248429 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1248396 and 1248405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4507 + ... + 4775.

It is an arithmetic number, because the mean of its divisors is an integer number (68040).

2^1248429 is an apocalyptic number.

It is an amenable number.

1248429 is a deficient number, since it is larger than the sum of its proper divisors (928851).

1248429 is a wasteful number, since it uses less digits than its factorization.

1248429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309.

The product of its digits is 4608, while the sum is 30.

The square root of 1248429 is about 1117.3311953042. The cubic root of 1248429 is about 107.6765873574.

The spelling of 1248429 in words is "one million, two hundred forty-eight thousand, four hundred twenty-nine".