1266072 has 32 divisors (see below), whose sum is σ = 3214080. Its totient is φ = 415520.

The previous prime is 1266059. The next prime is 1266073. The reversal of 1266072 is 2706621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266073) 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, 1333 + ... + 2075.

It is an arithmetic number, because the mean of its divisors is an integer number (100440).

2^1266072 is an apocalyptic number.

1266072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1266072 is an abundant number, since it is smaller than the sum of its proper divisors (1948008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1266072 is a wasteful number, since it uses less digits than its factorization.

1266072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1266072 is about 1125.1986491282. The cubic root of 1266072 is about 108.1814508037.

The spelling of 1266072 in words is "one million, two hundred sixty-six thousand, seventy-two".