1229012 has 6 divisors (see below), whose sum is σ = 2150778. Its totient is φ = 614504.

The previous prime is 1228993. The next prime is 1229021. The reversal of 1229012 is 2109221.

It can be written as a sum of positive squares in only one way, i.e., 1223236 + 5776 = 1106^2 + 76^2 .

It is a super-2 number, since 2×1229012² = 3020940992288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153623 + ... + 153630.

It is an arithmetic number, because the mean of its divisors is an integer number (358463).

2^1229012 is an apocalyptic number.

It is an amenable number.

1229012 is a deficient number, since it is larger than the sum of its proper divisors (921766).

1229012 is a wasteful number, since it uses less digits than its factorization.

1229012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307257 (or 307255 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1229012 is about 1108.6081363584. The cubic root of 1229012 is about 107.1154313719.

The spelling of 1229012 in words is "one million, two hundred twenty-nine thousand, twelve".