36737121 has 4 divisors (see below), whose sum is σ = 48982832. Its totient is φ = 24491412.

The previous prime is 36737087. The next prime is 36737137. The reversal of 36737121 is 12173763.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 36737121 - 2¹¹ = 36735073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36737021) 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, 6122851 + ... + 6122856.

It is an arithmetic number, because the mean of its divisors is an integer number (12245708).

Almost surely, 2^36737121 is an apocalyptic number.

It is an amenable number.

36737121 is a deficient number, since it is larger than the sum of its proper divisors (12245711).

36737121 is a wasteful number, since it uses less digits than its factorization.

36737121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12245710.

The product of its digits is 5292, while the sum is 30.

The square root of 36737121 is about 6061.1154913927. The cubic root of 36737121 is about 332.4311455971.

The spelling of 36737121 in words is "thirty-six million, seven hundred thirty-seven thousand, one hundred twenty-one".