1212039 has 12 divisors (see below), whose sum is σ = 1765296. Its totient is φ = 801312.

The previous prime is 1212023. The next prime is 1212047. The reversal of 1212039 is 9302121.

It is a happy number.

It is not a de Polignac number, because 1212039 - 2⁴ = 1212023 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 742 + ... + 1724.

It is an arithmetic number, because the mean of its divisors is an integer number (147108).

2^1212039 is an apocalyptic number.

1212039 is a deficient number, since it is larger than the sum of its proper divisors (553257).

1212039 is a wasteful number, since it uses less digits than its factorization.

1212039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1212039 is about 1100.9264280596. The cubic root of 1212039 is about 106.6200458156.

The spelling of 1212039 in words is "one million, two hundred twelve thousand, thirty-nine".