1401126125 has 16 divisors (see below), whose sum is σ = 1998407424. Its totient is φ = 960771600.

The previous prime is 1401126079. The next prime is 1401126143. The reversal of 1401126125 is 5216211041.

It is not a de Polignac number, because 1401126125 - 2²² = 1396931821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401126125.

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, 799769 + ... + 801518.

It is an arithmetic number, because the mean of its divisors is an integer number (124900464).

Almost surely, 2^1401126125 is an apocalyptic number.

It is an amenable number.

1401126125 is a deficient number, since it is larger than the sum of its proper divisors (597281299).

1401126125 is an equidigital number, since it uses as much as digits as its factorization.

1401126125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601309 (or 1601299 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1401126125 is about 37431.6193211034. The cubic root of 1401126125 is about 1118.9888101662.

Adding to 1401126125 its reverse (5216211041), we get a palindrome (6617337166).

The spelling of 1401126125 in words is "one billion, four hundred one million, one hundred twenty-six thousand, one hundred twenty-five".