1421300501 has 8 divisors (see below), whose sum is σ = 1446111360. Its totient is φ = 1396513792.

The previous prime is 1421300483. The next prime is 1421300513. The reversal of 1421300501 is 1050031241.

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

It is a cyclic number.

It is not a de Polignac number, because 1421300501 - 2³⁰ = 347558677 is a prime.

It is a super-2 number, since 2×1421300501² = 4040190228285702002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421300501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421300201) 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, 145301 + ... + 154773.

It is an arithmetic number, because the mean of its divisors is an integer number (180763920).

Almost surely, 2^1421300501 is an apocalyptic number.

It is an amenable number.

1421300501 is a deficient number, since it is larger than the sum of its proper divisors (24810859).

1421300501 is an equidigital number, since it uses as much as digits as its factorization.

1421300501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12075.

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

The square root of 1421300501 is about 37700.1392702998. The cubic root of 1421300501 is about 1124.3338940096. Note that the first 3 decimals are identical.

Adding to 1421300501 its reverse (1050031241), we get a palindrome (2471331742).

The spelling of 1421300501 in words is "one billion, four hundred twenty-one million, three hundred thousand, five hundred one".