1248430 has 16 divisors (see below), whose sum is σ = 2266704. Its totient is φ = 495040.

The previous prime is 1248427. The next prime is 1248449. The reversal of 1248430 is 348421.

1248430 = 25² + 26² + ... + 155².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834 + ... + 1786.

It is an arithmetic number, because the mean of its divisors is an integer number (141669).

2^1248430 is an apocalyptic number.

1248430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1248430 is a deficient number, since it is larger than the sum of its proper divisors (1018274).

1248430 is a wasteful number, since it uses less digits than its factorization.

1248430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1248430 is about 1117.3316427990. The cubic root of 1248430 is about 107.6766161072.

Subtracting from 1248430 its reverse (348421), we obtain a palindrome (900009).

The spelling of 1248430 in words is "one million, two hundred forty-eight thousand, four hundred thirty".