1401001203 has 16 divisors (see below), whose sum is σ = 2143725056. Its totient is φ = 797247360.

The previous prime is 1401001187. The next prime is 1401001207. The reversal of 1401001203 is 3021001041.

It is a happy number.

It is not a de Polignac number, because 1401001203 - 2⁴ = 1401001187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401001207) 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, 133351 + ... + 143472.

It is an arithmetic number, because the mean of its divisors is an integer number (133982816).

Almost surely, 2^1401001203 is an apocalyptic number.

1401001203 is a deficient number, since it is larger than the sum of its proper divisors (742723853).

1401001203 is a wasteful number, since it uses less digits than its factorization.

1401001203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277074.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1401001203 is about 37429.9506144478. The cubic root of 1401001203 is about 1118.9555534707.

Adding to 1401001203 its reverse (3021001041), we get a palindrome (4422002244).

The spelling of 1401001203 in words is "one billion, four hundred one million, one thousand, two hundred three".