1249422 has 16 divisors (see below), whose sum is σ = 2546640. Its totient is φ = 408512.

The previous prime is 1249411. The next prime is 1249427. The reversal of 1249422 is 2249421.

It is a super-2 number, since 2×1249422² = 3122110668168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1249392 and 1249401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1647 + ... + 2282.

It is an arithmetic number, because the mean of its divisors is an integer number (159165).

2^1249422 is an apocalyptic number.

1249422 is an abundant number, since it is smaller than the sum of its proper divisors (1297218).

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

1249422 is a wasteful number, since it uses less digits than its factorization.

1249422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987.

The product of its digits is 1152, while the sum is 24.

The square root of 1249422 is about 1117.7754694034. The cubic root of 1249422 is about 107.7051284318.

Subtracting 1249422 from its reverse (2249421), we obtain a palindrome (999999).

The spelling of 1249422 in words is "one million, two hundred forty-nine thousand, four hundred twenty-two".