1421416125 has 48 divisors (see below), whose sum is σ = 2697240000. Its totient is φ = 718178400.

The previous prime is 1421416103. The next prime is 1421416147. The reversal of 1421416125 is 5216141241.

1421416125 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 41 + 612 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1421416103) and next prime (1421416147).

It is not a de Polignac number, because 1421416125 - 2⁷ = 1421415997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11875 + ... + 54624.

It is an arithmetic number, because the mean of its divisors is an integer number (56192500).

Almost surely, 2^1421416125 is an apocalyptic number.

1421416125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1421416125 is a deficient number, since it is larger than the sum of its proper divisors (1275823875).

1421416125 is a wasteful number, since it uses less digits than its factorization.

1421416125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66539 (or 66526 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1421416125 is about 37701.6727082500. The cubic root of 1421416125 is about 1124.3643816878.

Adding to 1421416125 its reverse (5216141241), we get a palindrome (6637557366).

The spelling of 1421416125 in words is "one billion, four hundred twenty-one million, four hundred sixteen thousand, one hundred twenty-five".