1018422125 has 24 divisors (see below), whose sum is σ = 1478508408. Its totient is φ = 698342400.

The previous prime is 1018422121. The next prime is 1018422127. The reversal of 1018422125 is 5212248101.

It can be written as a sum of positive squares in 4 ways, for example, as 58537801 + 959884324 = 7651^2 + 30982^2 .

It is not a de Polignac number, because 1018422125 - 2² = 1018422121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1018422094 and 1018422103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018422121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77012 + ... + 89261.

It is an arithmetic number, because the mean of its divisors is an integer number (61604517).

Almost surely, 2^1018422125 is an apocalyptic number.

It is an amenable number.

1018422125 is a deficient number, since it is larger than the sum of its proper divisors (460086283).

1018422125 is an equidigital number, since it uses as much as digits as its factorization.

1018422125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166302 (or 166285 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1018422125 is about 31912.7266932802. The cubic root of 1018422125 is about 1006.1033812840.

The spelling of 1018422125 in words is "one billion, eighteen million, four hundred twenty-two thousand, one hundred twenty-five".