84122025 has 72 divisors (see below), whose sum is σ = 158739840. Its totient is φ = 39070080.

The previous prime is 84122021. The next prime is 84122041. The reversal of 84122025 is 52022148.

It is not a de Polignac number, because 84122025 - 2² = 84122021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84121986 and 84122004.

It is not an unprimeable number, because it can be changed into a prime (84122021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 351856 + ... + 352094.

It is an arithmetic number, because the mean of its divisors is an integer number (2204720).

Almost surely, 2^84122025 is an apocalyptic number.

It is an amenable number.

84122025 is a deficient number, since it is larger than the sum of its proper divisors (74617815).

84122025 is a wasteful number, since it uses less digits than its factorization.

84122025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 84122025 is about 9171.8059835563. The cubic root of 84122025 is about 438.1638791697.

The spelling of 84122025 in words is "eighty-four million, one hundred twenty-two thousand, twenty-five".