1503940125 has 16 divisors (see below), whose sum is σ = 2502556992. Its totient is φ = 802101200.

The previous prime is 1503940111. The next prime is 1503940133. The reversal of 1503940125 is 5210493051.

It is not a de Polignac number, because 1503940125 - 2⁸ = 1503939869 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1503940092 and 1503940101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2004879 + ... + 2005628.

It is an arithmetic number, because the mean of its divisors is an integer number (156409812).

Almost surely, 2^1503940125 is an apocalyptic number.

1503940125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1503940125 is a deficient number, since it is larger than the sum of its proper divisors (998616867).

1503940125 is an equidigital number, since it uses as much as digits as its factorization.

1503940125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010525 (or 4010515 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1503940125 is about 38780.6668973085. Note that the first 3 decimals coincide. The cubic root of 1503940125 is about 1145.7156589532.

The spelling of 1503940125 in words is "one billion, five hundred three million, nine hundred forty thousand, one hundred twenty-five".