1274555 has 4 divisors (see below), whose sum is σ = 1529472. Its totient is φ = 1019640.

The previous prime is 1274549. The next prime is 1274557. The reversal of 1274555 is 5554721.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1274555 - 2¹⁴ = 1258171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1274557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127451 + ... + 127460.

It is an arithmetic number, because the mean of its divisors is an integer number (382368).

2^1274555 is an apocalyptic number.

1274555 is a deficient number, since it is larger than the sum of its proper divisors (254917).

1274555 is an equidigital number, since it uses as much as digits as its factorization.

1274555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254916.

The product of its digits is 7000, while the sum is 29.

The square root of 1274555 is about 1128.9619125551. The cubic root of 1274555 is about 108.4225274641.

The spelling of 1274555 in words is "one million, two hundred seventy-four thousand, five hundred fifty-five".