1267545 has 8 divisors (see below), whose sum is σ = 2028096. Its totient is φ = 676016.

The previous prime is 1267531. The next prime is 1267549. The reversal of 1267545 is 5457621.

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

It is a cyclic number.

It is not a de Polignac number, because 1267545 - 2⁴ = 1267529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1267549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42237 + ... + 42266.

It is an arithmetic number, because the mean of its divisors is an integer number (253512).

2^1267545 is an apocalyptic number.

1267545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1267545 is a deficient number, since it is larger than the sum of its proper divisors (760551).

1267545 is an equidigital number, since it uses as much as digits as its factorization.

1267545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84511.

The product of its digits is 8400, while the sum is 30.

The square root of 1267545 is about 1125.8530099440. The cubic root of 1267545 is about 108.2233887868.

It can be divided in two parts, 12675 and 45, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 1267545 in words is "one million, two hundred sixty-seven thousand, five hundred forty-five".