1249016 has 8 divisors (see below), whose sum is σ = 2341920. Its totient is φ = 624504.

The previous prime is 1249013. The next prime is 1249019. The reversal of 1249016 is 6109421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1249013) and next prime (1249019).

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1248982 and 1249000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249013) 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 as a sum of consecutive naturals, namely, 78056 + ... + 78071.

It is an arithmetic number, because the mean of its divisors is an integer number (292740).

2^1249016 is an apocalyptic number.

It is an amenable number.

1249016 is a deficient number, since it is larger than the sum of its proper divisors (1092904).

1249016 is a wasteful number, since it uses less digits than its factorization.

1249016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156133 (or 156129 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1249016 is about 1117.5938439344. The cubic root of 1249016 is about 107.6934608982.

The spelling of 1249016 in words is "one million, two hundred forty-nine thousand, sixteen".