1236141 has 12 divisors (see below), whose sum is σ = 1852032. Its totient is φ = 823932.

The previous prime is 1236077. The next prime is 1236161. The reversal of 1236141 is 1416321.

It is a happy number.

It is not a de Polignac number, because 1236141 - 2⁶ = 1236077 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1236161) 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, 2301 + ... + 2786.

It is an arithmetic number, because the mean of its divisors is an integer number (154336).

2^1236141 is an apocalyptic number.

It is an amenable number.

1236141 is a deficient number, since it is larger than the sum of its proper divisors (615891).

1236141 is an frugal number, since it uses more digits than its factorization.

1236141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102 (or 5090 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1236141 is about 1111.8187801976. The cubic root of 1236141 is about 107.3221432551.

The spelling of 1236141 in words is "one million, two hundred thirty-six thousand, one hundred forty-one".