1436121 has 6 divisors (see below), whose sum is σ = 2074410. Its totient is φ = 957408.

The previous prime is 1436111. The next prime is 1436131. The reversal of 1436121 is 1216341.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1436111) and next prime (1436131).

It can be written as a sum of positive squares in only one way, i.e., 1354896 + 81225 = 1164^2 + 285^2 .

It is not a de Polignac number, because 1436121 - 2⁵ = 1436089 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 1436094 and 1436103.

It is not an unprimeable number, because it can be changed into a prime (1436101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79776 + ... + 79793.

It is an arithmetic number, because the mean of its divisors is an integer number (345735).

2^1436121 is an apocalyptic number.

It is an amenable number.

1436121 is a deficient number, since it is larger than the sum of its proper divisors (638289).

1436121 is a wasteful number, since it uses less digits than its factorization.

1436121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159575 (or 159572 counting only the distinct ones).

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

The square root of 1436121 is about 1198.3826600882. The cubic root of 1436121 is about 112.8228356514.

The spelling of 1436121 in words is "one million, four hundred thirty-six thousand, one hundred twenty-one".