83154120 has 64 divisors (see below), whose sum is σ = 285102720. Its totient is φ = 19006464.

The previous prime is 83154103. The next prime is 83154161. The reversal of 83154120 is 2145138.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48657 + ... + 50336.

It is an arithmetic number, because the mean of its divisors is an integer number (4454730).

Almost surely, 2^83154120 is an apocalyptic number.

It is an amenable number.

83154120 is an abundant number, since it is smaller than the sum of its proper divisors (201948600).

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

83154120 is a wasteful number, since it uses less digits than its factorization.

83154120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99014 (or 99010 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 83154120 is about 9118.8880901127. Note that the first 3 decimals coincide. The cubic root of 83154120 is about 436.4768931084.

Adding to 83154120 its reverse (2145138), we get a palindrome (85299258).

The spelling of 83154120 in words is "eighty-three million, one hundred fifty-four thousand, one hundred twenty".