1275652 has 24 divisors (see below), whose sum is σ = 2640960. Its totient is φ = 527520.

The previous prime is 1275643. The next prime is 1275661. The reversal of 1275652 is 2565721.

It is an interprime number because it is at equal distance from previous prime (1275643) and next prime (1275661).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1275652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27 + ... + 1597.

It is an arithmetic number, because the mean of its divisors is an integer number (110040).

2^1275652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1275652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320480).

1275652 is an abundant number, since it is smaller than the sum of its proper divisors (1365308).

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

1275652 is a wasteful number, since it uses less digits than its factorization.

1275652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1609 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 1275652 is about 1129.4476526161. The cubic root of 1275652 is about 108.4536246981.

It can be divided in two parts, 1 and 275652, that added together give a triangular number (275653 = T₇₄₂).

The spelling of 1275652 in words is "one million, two hundred seventy-five thousand, six hundred fifty-two".