1401125003 has 4 divisors (see below), whose sum is σ = 1408460928. Its totient is φ = 1393789080.

The previous prime is 1401124997. The next prime is 1401125051. The reversal of 1401125003 is 3005211041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3005211041 = 7 ⋅429315863.

It is a cyclic number.

It is not a de Polignac number, because 1401125003 - 2⁴ = 1401124987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401125083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3667676 + ... + 3668057.

It is an arithmetic number, because the mean of its divisors is an integer number (352115232).

Almost surely, 2^1401125003 is an apocalyptic number.

1401125003 is a deficient number, since it is larger than the sum of its proper divisors (7335925).

1401125003 is an equidigital number, since it uses as much as digits as its factorization.

1401125003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7335924.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1401125003 is about 37431.6043337712. The cubic root of 1401125003 is about 1118.9885114765.

Adding to 1401125003 its reverse (3005211041), we get a palindrome (4406336044).

The spelling of 1401125003 in words is "one billion, four hundred one million, one hundred twenty-five thousand, three".