1252746 has 80 divisors (see below), whose sum is σ = 3310560. Its totient is φ = 349920.

The previous prime is 1252739. The next prime is 1252751. The reversal of 1252746 is 6472521.

1252746 = 89² + 90² + ... + 164².

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33840 + ... + 33876.

It is an arithmetic number, because the mean of its divisors is an integer number (41382).

2^1252746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1655280).

1252746 is an abundant number, since it is smaller than the sum of its proper divisors (2057814).

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

1252746 is a wasteful number, since it uses less digits than its factorization.

1252746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 72 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 1252746 is about 1119.2613635787. The cubic root of 1252746 is about 107.8005578455.

The spelling of 1252746 in words is "one million, two hundred fifty-two thousand, seven hundred forty-six".