1272470 has 8 divisors (see below), whose sum is σ = 2290464. Its totient is φ = 508984.

The previous prime is 1272461. The next prime is 1272539. The reversal of 1272470 is 742721.

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

It is a congruent number.

It is an unprimeable number.

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, 63614 + ... + 63633.

It is an arithmetic number, because the mean of its divisors is an integer number (286308).

2^1272470 is an apocalyptic number.

1272470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1272470 is a deficient number, since it is larger than the sum of its proper divisors (1017994).

1272470 is a wasteful number, since it uses less digits than its factorization.

1272470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127254.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 1272470 is about 1128.0381199233. The cubic root of 1272470 is about 108.3633736547.

The spelling of 1272470 in words is "one million, two hundred seventy-two thousand, four hundred seventy".