1252404 has 36 divisors (see below), whose sum is σ = 3334240. Its totient is φ = 395280.

The previous prime is 1252403. The next prime is 1252411. The reversal of 1252404 is 4042521.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232 + ... + 1599.

2^1252404 is an apocalyptic number.

It is an amenable number.

1252404 is an abundant number, since it is smaller than the sum of its proper divisors (2081836).

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

1252404 is a wasteful number, since it uses less digits than its factorization.

1252404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860 (or 1855 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1252404 is about 1119.1085738211. The cubic root of 1252404 is about 107.7907470921.

Adding to 1252404 its reverse (4042521), we get a palindrome (5294925).

It can be divided in two parts, 1 and 252404, that added together give a triangular number (252405 = T₇₁₀).

The spelling of 1252404 in words is "one million, two hundred fifty-two thousand, four hundred four".