36121142 has 4 divisors (see below), whose sum is σ = 54181716. Its totient is φ = 18060570.

The previous prime is 36121133. The next prime is 36121171. The reversal of 36121142 is 24112163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24112163 = 97 ⋅248579.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9030284 + ... + 9030287.

It is an arithmetic number, because the mean of its divisors is an integer number (13545429).

Almost surely, 2^36121142 is an apocalyptic number.

36121142 is a deficient number, since it is larger than the sum of its proper divisors (18060574).

36121142 is a wasteful number, since it uses less digits than its factorization.

36121142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18060573.

The product of its digits is 288, while the sum is 20.

The square root of 36121142 is about 6010.0866882267. The cubic root of 36121142 is about 330.5626825110.

It can be divided in two parts, 36121 and 142, that added together give a palindrome (36263).

The spelling of 36121142 in words is "thirty-six million, one hundred twenty-one thousand, one hundred forty-two".