1401404125 has 32 divisors (see below), whose sum is σ = 1911776256. Its totient is φ = 1017160000.

The previous prime is 1401404117. The next prime is 1401404131. The reversal of 1401404125 is 5214041041.

It is not a de Polignac number, because 1401404125 - 2³ = 1401404117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401404096 and 1401404105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1186035 + ... + 1187215.

It is an arithmetic number, because the mean of its divisors is an integer number (59743008).

Almost surely, 2^1401404125 is an apocalyptic number.

It is an amenable number.

1401404125 is a deficient number, since it is larger than the sum of its proper divisors (510372131).

1401404125 is a wasteful number, since it uses less digits than its factorization.

1401404125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070 (or 2060 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1401404125 is about 37435.3325749886. The cubic root of 1401404125 is about 1119.0628121451.

Adding to 1401404125 its reverse (5214041041), we get a palindrome (6615445166).

The spelling of 1401404125 in words is "one billion, four hundred one million, four hundred four thousand, one hundred twenty-five".