1421124001 has 16 divisors (see below), whose sum is σ = 1610534016. Its totient is φ = 1242640000.

The previous prime is 1421123989. The next prime is 1421124013. The reversal of 1421124001 is 1004211241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1421123989) and next prime (1421124013).

It is a cyclic number.

It is not a de Polignac number, because 1421124001 - 2¹³ = 1421115809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421128001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9831 + ... + 54211.

It is an arithmetic number, because the mean of its divisors is an integer number (100658376).

Almost surely, 2^1421124001 is an apocalyptic number.

1421124001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1421124001 is a deficient number, since it is larger than the sum of its proper divisors (189410015).

1421124001 is a wasteful number, since it uses less digits than its factorization.

1421124001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44504.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1421124001 is about 37697.7983574638. The cubic root of 1421124001 is about 1124.2873513896.

Adding to 1421124001 its reverse (1004211241), we get a palindrome (2425335242).

The spelling of 1421124001 in words is "one billion, four hundred twenty-one million, one hundred twenty-four thousand, one".