1401402003 has 8 divisors (see below), whose sum is σ = 1932968400. Its totient is φ = 902051808.

The previous prime is 1401401959. The next prime is 1401402007. The reversal of 1401402003 is 3002041041.

1401402003 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1401402003 - 2⁸ = 1401401747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401402007) 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, 8053948 + ... + 8054121.

It is an arithmetic number, because the mean of its divisors is an integer number (241621050).

Almost surely, 2^1401402003 is an apocalyptic number.

1401402003 is a deficient number, since it is larger than the sum of its proper divisors (531566397).

1401402003 is a wasteful number, since it uses less digits than its factorization.

1401402003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16108101.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1401402003 is about 37435.3042327694. The cubic root of 1401402003 is about 1119.0622473181.

Adding to 1401402003 its reverse (3002041041), we get a palindrome (4403443044).

The spelling of 1401402003 in words is "one billion, four hundred one million, four hundred two thousand, three".