86121054 has 12 divisors (see below), whose sum is σ = 186595656. Its totient is φ = 28707012.

The previous prime is 86121047. The next prime is 86121059. The reversal of 86121054 is 45012168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86121059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2392234 + ... + 2392269.

It is an arithmetic number, because the mean of its divisors is an integer number (15549638).

Almost surely, 2^86121054 is an apocalyptic number.

86121054 is an abundant number, since it is smaller than the sum of its proper divisors (100474602).

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

86121054 is a wasteful number, since it uses less digits than its factorization.

86121054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784511 (or 4784508 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 86121054 is about 9280.1429945880. The cubic root of 86121054 is about 441.6075049429.

The spelling of 86121054 in words is "eighty-six million, one hundred twenty-one thousand, fifty-four".