36477121 has 4 divisors (see below), whose sum is σ = 38622852. Its totient is φ = 34331392.

The previous prime is 36477113. The next prime is 36477127. The reversal of 36477121 is 12177463.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14714896 + 21762225 = 3836^2 + 4665^2 .

It is a cyclic number.

It is not a de Polignac number, because 36477121 - 2³ = 36477113 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36477127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072840 + ... + 1072873.

It is an arithmetic number, because the mean of its divisors is an integer number (9655713).

Almost surely, 2^36477121 is an apocalyptic number.

It is an amenable number.

36477121 is a deficient number, since it is larger than the sum of its proper divisors (2145731).

36477121 is a wasteful number, since it uses less digits than its factorization.

36477121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145730.

The product of its digits is 7056, while the sum is 31.

The square root of 36477121 is about 6039.6292104731. The cubic root of 36477121 is about 331.6450487440.

The spelling of 36477121 in words is "thirty-six million, four hundred seventy-seven thousand, one hundred twenty-one".