1246149 has 6 divisors (see below), whose sum is σ = 1800006. Its totient is φ = 830760.

The previous prime is 1246103. The next prime is 1246181. The reversal of 1246149 is 9416421.

It can be written as a sum of positive squares in only one way, i.e., 986049 + 260100 = 993^2 + 510^2 .

It is not a de Polignac number, because 1246149 - 2²⁰ = 197573 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246199) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69222 + ... + 69239.

It is an arithmetic number, because the mean of its divisors is an integer number (300001).

2^1246149 is an apocalyptic number.

It is an amenable number.

1246149 is a deficient number, since it is larger than the sum of its proper divisors (553857).

1246149 is a wasteful number, since it uses less digits than its factorization.

1246149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138467 (or 138464 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1246149 is about 1116.3104406929. The cubic root of 1246149 is about 107.6109976644.

Subtracting from 1246149 its product of digits (1728), we obtain a palindrome (1244421).

The spelling of 1246149 in words is "one million, two hundred forty-six thousand, one hundred forty-nine".