36121072 has 20 divisors (see below), whose sum is σ = 75368440. Its totient is φ = 16671168.

The previous prime is 36121069. The next prime is 36121081. The reversal of 36121072 is 27012163.

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

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, 86622 + ... + 87037.

It is an arithmetic number, because the mean of its divisors is an integer number (3768422).

Almost surely, 2^36121072 is an apocalyptic number.

It is an amenable number.

36121072 is an abundant number, since it is smaller than the sum of its proper divisors (39247368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36121072 is a wasteful number, since it uses less digits than its factorization.

36121072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173680 (or 173674 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 36121072 is about 6010.0808646806. The cubic root of 36121072 is about 330.5624689759.

The spelling of 36121072 in words is "thirty-six million, one hundred twenty-one thousand, seventy-two".