1402512640125 has 16 divisors (see below), whose sum is σ = 2333781033792. Its totient is φ = 748006741200.

The previous prime is 1402512640121. The next prime is 1402512640153. The reversal of 1402512640125 is 5210462152041.

It is a happy number.

It is not a de Polignac number, because 1402512640125 - 2² = 1402512640121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402512640121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1870016479 + ... + 1870017228.

It is an arithmetic number, because the mean of its divisors is an integer number (145861314612).

Almost surely, 2^{1402512640125} is an apocalyptic number.

1402512640125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1402512640125 is a deficient number, since it is larger than the sum of its proper divisors (931268393667).

1402512640125 is an equidigital number, since it uses as much as digits as its factorization.

1402512640125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740033725 (or 3740033715 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 1402512640125 its reverse (5210462152041), we get a palindrome (6612974792166).

The spelling of 1402512640125 in words is "one trillion, four hundred two billion, five hundred twelve million, six hundred forty thousand, one hundred twenty-five".