1040140125 has 48 divisors (see below), whose sum is σ = 1879590960. Its totient is φ = 553392000.

The previous prime is 1040140091. The next prime is 1040140133. The reversal of 1040140125 is 5210410401.

It can be written as a sum of positive squares in 8 ways, for example, as 561974436 + 478165689 = 23706^2 + 21867^2 .

It is not a de Polignac number, because 1040140125 - 2⁶ = 1040140061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1040140098 and 1040140107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 607771 + ... + 609479.

It is an arithmetic number, because the mean of its divisors is an integer number (39158145).

Almost surely, 2^1040140125 is an apocalyptic number.

1040140125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040140125 is a deficient number, since it is larger than the sum of its proper divisors (839450835).

1040140125 is a wasteful number, since it uses less digits than its factorization.

1040140125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271 (or 2258 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1040140125 is about 32251.2034659174. The cubic root of 1040140125 is about 1013.2049046490.

Adding to 1040140125 its reverse (5210410401), we get a palindrome (6250550526).

The spelling of 1040140125 in words is "one billion, forty million, one hundred forty thousand, one hundred twenty-five".