1247022 has 32 divisors (see below), whose sum is σ = 3168000. Its totient is φ = 356184.

The previous prime is 1247017. The next prime is 1247033. The reversal of 1247022 is 2207421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1246986 and 1247004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272 + ... + 2027.

It is an arithmetic number, because the mean of its divisors is an integer number (99000).

2^1247022 is an apocalyptic number.

1247022 is an abundant number, since it is smaller than the sum of its proper divisors (1920978).

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

1247022 is a wasteful number, since it uses less digits than its factorization.

1247022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317 (or 3311 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 1247022 is about 1116.7013924949. The cubic root of 1247022 is about 107.6361210570.

The spelling of 1247022 in words is "one million, two hundred forty-seven thousand, twenty-two".