1236242 has 16 divisors (see below), whose sum is σ = 2134080. Its totient is φ = 526128.

The previous prime is 1236239. The next prime is 1236259. The reversal of 1236242 is 2426321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2984 + ... + 3372.

It is an arithmetic number, because the mean of its divisors is an integer number (133380).

2^1236242 is an apocalyptic number.

1236242 is the 908-th pentagonal number.

1236242 is a deficient number, since it is larger than the sum of its proper divisors (897838).

1236242 is a wasteful number, since it uses less digits than its factorization.

1236242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625.

The product of its digits is 576, while the sum is 20.

The square root of 1236242 is about 1111.8642003410. The cubic root of 1236242 is about 107.3250661259.

The spelling of 1236242 in words is "one million, two hundred thirty-six thousand, two hundred forty-two".