1252650 has 48 divisors (see below), whose sum is σ = 3553344. Its totient is φ = 286080.

The previous prime is 1252639. The next prime is 1252661. The reversal of 1252650 is 562521.

It is an interprime number because it is at equal distance from previous prime (1252639) and next prime (1252661).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 454 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (74028).

2^1252650 is an apocalyptic number.

1252650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1776672).

1252650 is an abundant number, since it is smaller than the sum of its proper divisors (2300694).

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

1252650 is a wasteful number, since it uses less digits than its factorization.

1252650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1252650 is about 1119.2184773314. The cubic root of 1252650 is about 107.7978041301.

It can be divided in two parts, 125 and 2650, that added together give a triangular number (2775 = T₇₄).

The spelling of 1252650 in words is "one million, two hundred fifty-two thousand, six hundred fifty".