1040142125 has 16 divisors (see below), whose sum is σ = 1416108096. Its totient is φ = 756466000.

The previous prime is 1040142121. The next prime is 1040142167. The reversal of 1040142125 is 5212410401.

It is a happy number.

It is not a de Polignac number, because 1040142125 - 2² = 1040142121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1040142097 and 1040142106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040142121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376859 + ... + 379608.

It is an arithmetic number, because the mean of its divisors is an integer number (88506756).

Almost surely, 2^1040142125 is an apocalyptic number.

It is an amenable number.

1040142125 is a deficient number, since it is larger than the sum of its proper divisors (375965971).

1040142125 is an equidigital number, since it uses as much as digits as its factorization.

1040142125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756493 (or 756483 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1040142125 is about 32251.2344724973. The cubic root of 1040142125 is about 1013.2055540514.

Adding to 1040142125 its reverse (5212410401), we get a palindrome (6252552526).

The spelling of 1040142125 in words is "one billion, forty million, one hundred forty-two thousand, one hundred twenty-five".