1252461 has 32 divisors (see below), whose sum is σ = 2083840. Its totient is φ = 653184.

The previous prime is 1252457. The next prime is 1252469. The reversal of 1252461 is 1642521.

It is not a de Polignac number, because 1252461 - 2² = 1252457 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252469) 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 31 ways as a sum of consecutive naturals, for example, 17121 + ... + 17193.

It is an arithmetic number, because the mean of its divisors is an integer number (65120).

2^1252461 is an apocalyptic number.

It is an amenable number.

1252461 is a deficient number, since it is larger than the sum of its proper divisors (831379).

1252461 is a wasteful number, since it uses less digits than its factorization.

1252461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145.

The product of its digits is 480, while the sum is 21.

The square root of 1252461 is about 1119.1340402293. The cubic root of 1252461 is about 107.7923823417.

Adding to 1252461 its reverse (1642521), we get a palindrome (2894982).

The spelling of 1252461 in words is "one million, two hundred fifty-two thousand, four hundred sixty-one".