1249122 has 16 divisors (see below), whose sum is σ = 2855232. Its totient is φ = 356880.

The previous prime is 1249121. The next prime is 1249133. The reversal of 1249122 is 2219421.

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

It is not an unprimeable number, because it can be changed into a prime (1249121) 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, 14829 + ... + 14912.

It is an arithmetic number, because the mean of its divisors is an integer number (178452).

2^1249122 is an apocalyptic number.

1249122 is an abundant number, since it is smaller than the sum of its proper divisors (1606110).

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

1249122 is a wasteful number, since it uses less digits than its factorization.

1249122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29753.

The product of its digits is 288, while the sum is 21.

The square root of 1249122 is about 1117.6412662389. The cubic root of 1249122 is about 107.6965073454.

Subtracting 1249122 from its reverse (2219421), we obtain a cube (970299 = 99³).

The spelling of 1249122 in words is "one million, two hundred forty-nine thousand, one hundred twenty-two".