86121441 has 32 divisors (see below), whose sum is σ = 150528000. Its totient is φ = 47621520.

The previous prime is 86121397. The next prime is 86121457. The reversal of 86121441 is 14412168.

It is a happy number.

86121441 is a `hidden beast` number, since 8 + 612 + 1 + 4 + 41 = 666.

It is not a de Polignac number, because 86121441 - 2¹⁰ = 86120417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (86121461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1491 + ... + 13208.

It is an arithmetic number, because the mean of its divisors is an integer number (4704000).

Almost surely, 2^86121441 is an apocalyptic number.

It is an amenable number.

86121441 is a deficient number, since it is larger than the sum of its proper divisors (64406559).

86121441 is a wasteful number, since it uses less digits than its factorization.

86121441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14746 (or 14740 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 86121441 is about 9280.1638455363. The cubic root of 86121441 is about 441.6081664221.

The spelling of 86121441 in words is "eighty-six million, one hundred twenty-one thousand, four hundred forty-one".