1276430 has 8 divisors (see below), whose sum is σ = 2297592. Its totient is φ = 510568.

The previous prime is 1276409. The next prime is 1276433. The reversal of 1276430 is 346721.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1276396 and 1276405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276433) 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 3 ways as a sum of consecutive naturals, for example, 63812 + ... + 63831.

It is an arithmetic number, because the mean of its divisors is an integer number (287199).

2^1276430 is an apocalyptic number.

1276430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1276430 is a deficient number, since it is larger than the sum of its proper divisors (1021162).

1276430 is a wasteful number, since it uses less digits than its factorization.

1276430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127650.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1276430 is about 1129.7920162579. The cubic root of 1276430 is about 108.4756682681.

The spelling of 1276430 in words is "one million, two hundred seventy-six thousand, four hundred thirty".