1031530125 has 32 divisors (see below), whose sum is σ = 1718555904. Its totient is φ = 549480000.

The previous prime is 1031530117. The next prime is 1031530147. The reversal of 1031530125 is 5210351301.

It is not a de Polignac number, because 1031530125 - 2³ = 1031530117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 541675 + ... + 543575.

It is an arithmetic number, because the mean of its divisors is an integer number (53704872).

Almost surely, 2^1031530125 is an apocalyptic number.

1031530125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1031530125 is a deficient number, since it is larger than the sum of its proper divisors (687025779).

1031530125 is a wasteful number, since it uses less digits than its factorization.

1031530125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366 (or 3356 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1031530125 is about 32117.4426908495. The cubic root of 1031530125 is about 1010.4014758524.

Adding to 1031530125 its reverse (5210351301), we get a palindrome (6241881426).

The spelling of 1031530125 in words is "one billion, thirty-one million, five hundred thirty thousand, one hundred twenty-five".