1401324125 has 16 divisors (see below), whose sum is σ = 1796124720. Its totient is φ = 1090756800.

The previous prime is 1401324121. The next prime is 1401324149. The reversal of 1401324125 is 5214231041.

It can be written as a sum of positive squares in 8 ways, for example, as 445463236 + 955860889 = 21106^2 + 30917^2 .

It is not a de Polignac number, because 1401324125 - 2² = 1401324121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1401324125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401324121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146870 + ... + 156119.

It is an arithmetic number, because the mean of its divisors is an integer number (112257795).

Almost surely, 2^1401324125 is an apocalyptic number.

It is an amenable number.

1401324125 is a deficient number, since it is larger than the sum of its proper divisors (394800595).

1401324125 is an equidigital number, since it uses as much as digits as its factorization.

1401324125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303041 (or 303031 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1401324125 is about 37434.2640504659. The cubic root of 1401324125 is about 1119.0415176146.

Adding to 1401324125 its reverse (5214231041), we get a palindrome (6615555166).

The spelling of 1401324125 in words is "one billion, four hundred one million, three hundred twenty-four thousand, one hundred twenty-five".