1421140303 has 8 divisors (see below), whose sum is σ = 1550670336. Its totient is φ = 1291666200.

The previous prime is 1421140277. The next prime is 1421140349. The reversal of 1421140303 is 3030411241.

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

It is not a de Polignac number, because 1421140303 - 2⁵ = 1421140271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421140373) 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, 53218 + ... + 75328.

It is an arithmetic number, because the mean of its divisors is an integer number (193833792).

Almost surely, 2^1421140303 is an apocalyptic number.

1421140303 is a deficient number, since it is larger than the sum of its proper divisors (129530033).

1421140303 is a wasteful number, since it uses less digits than its factorization.

1421140303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27965.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1421140303 is about 37698.0145763673. The cubic root of 1421140303 is about 1124.2916503488.

Adding to 1421140303 its reverse (3030411241), we get a palindrome (4451551544).

The spelling of 1421140303 in words is "one billion, four hundred twenty-one million, one hundred forty thousand, three hundred three".