1040542125 has 128 divisors (see below), whose sum is σ = 2153349120. Its totient is φ = 435456000.

The previous prime is 1040542123. The next prime is 1040542141. The reversal of 1040542125 is 5212450401.

It is not a de Polignac number, because 1040542125 - 2¹ = 1040542123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1040542095 and 1040542104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040542121) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1545789 + ... + 1546461.

It is an arithmetic number, because the mean of its divisors is an integer number (16823040).

Almost surely, 2^1040542125 is an apocalyptic number.

1040542125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040542125 is an abundant number, since it is smaller than the sum of its proper divisors (1112806995).

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

1040542125 is a wasteful number, since it uses less digits than its factorization.

1040542125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1040542125 is about 32257.4351894257. The cubic root of 1040542125 is about 1013.3354178046.

Adding to 1040542125 its reverse (5212450401), we get a palindrome (6252992526).

The spelling of 1040542125 in words is "one billion, forty million, five hundred forty-two thousand, one hundred twenty-five".