36121558 has 8 divisors (see below), whose sum is σ = 59108040. Its totient is φ = 16418880.

The previous prime is 36121543. The next prime is 36121609. The reversal of 36121558 is 85512163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820923 + ... + 820966.

It is an arithmetic number, because the mean of its divisors is an integer number (7388505).

Almost surely, 2^36121558 is an apocalyptic number.

36121558 is a deficient number, since it is larger than the sum of its proper divisors (22986482).

36121558 is a wasteful number, since it uses less digits than its factorization.

36121558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641902.

The product of its digits is 7200, while the sum is 31.

The square root of 36121558 is about 6010.1212966129. The cubic root of 36121558 is about 330.5639515144.

It can be divided in two parts, 3612155 and 8, that added together give a palindrome (3612163).

The spelling of 36121558 in words is "thirty-six million, one hundred twenty-one thousand, five hundred fifty-eight".