1249628 has 6 divisors (see below), whose sum is σ = 2186856. Its totient is φ = 624812.

The previous prime is 1249627. The next prime is 1249631. The reversal of 1249628 is 8269421.

It is a junction number, because it is equal to n+sod(n) for n = 1249594 and 1249603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156200 + ... + 156207.

It is an arithmetic number, because the mean of its divisors is an integer number (364476).

2^1249628 is an apocalyptic number.

It is an amenable number.

1249628 is a deficient number, since it is larger than the sum of its proper divisors (937228).

1249628 is a wasteful number, since it uses less digits than its factorization.

1249628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312411 (or 312409 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 1249628 is about 1117.8676129131. The cubic root of 1249628 is about 107.7110474453.

The spelling of 1249628 in words is "one million, two hundred forty-nine thousand, six hundred twenty-eight".