36121847 has 2 divisors, whose sum is σ = 36121848. Its totient is φ = 36121846.

The previous prime is 36121843. The next prime is 36121859. The reversal of 36121847 is 74812163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36121847 - 2² = 36121843 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36121843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18060923 + 18060924.

It is an arithmetic number, because the mean of its divisors is an integer number (18060924).

Almost surely, 2^36121847 is an apocalyptic number.

36121847 is a deficient number, since it is larger than the sum of its proper divisors (1).

36121847 is an equidigital number, since it uses as much as digits as its factorization.

36121847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 36121847 is about 6010.1453393408. The cubic root of 36121847 is about 330.5648330999.

The spelling of 36121847 in words is "thirty-six million, one hundred twenty-one thousand, eight hundred forty-seven".