1401030503 has 8 divisors (see below), whose sum is σ = 1485875088. Its totient is φ = 1316456064.

The previous prime is 1401030481. The next prime is 1401030529. The reversal of 1401030503 is 3050301041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1401030503 - 2¹⁴ = 1401014119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401030563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56801 + ... + 77642.

It is an arithmetic number, because the mean of its divisors is an integer number (185734386).

Almost surely, 2^1401030503 is an apocalyptic number.

1401030503 is a deficient number, since it is larger than the sum of its proper divisors (84844585).

1401030503 is a wasteful number, since it uses less digits than its factorization.

1401030503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135073.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1401030503 is about 37430.3420101927. The cubic root of 1401030503 is about 1118.9633538850.

Adding to 1401030503 its reverse (3050301041), we get a palindrome (4451331544).

The spelling of 1401030503 in words is "one billion, four hundred one million, thirty thousand, five hundred three".