1271652 has 12 divisors (see below), whose sum is σ = 2967216. Its totient is φ = 423880.

The previous prime is 1271609. The next prime is 1271657. The reversal of 1271652 is 2561721.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1271657) 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, 52974 + ... + 52997.

It is an arithmetic number, because the mean of its divisors is an integer number (247268).

2^1271652 is an apocalyptic number.

1271652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1271652 is an abundant number, since it is smaller than the sum of its proper divisors (1695564).

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

1271652 is a wasteful number, since it uses less digits than its factorization.

1271652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105978 (or 105976 counting only the distinct ones).

The product of its digits is 840, while the sum is 24.

The square root of 1271652 is about 1127.6754852350. The cubic root of 1271652 is about 108.3401484207.

The spelling of 1271652 in words is "one million, two hundred seventy-one thousand, six hundred fifty-two".