1406121632 has 24 divisors (see below), whose sum is σ = 2803348800. Its totient is φ = 694160064.

The previous prime is 1406121631. The next prime is 1406121659. The reversal of 1406121632 is 2361216041.

It is not an unprimeable number, because it can be changed into a prime (1406121631) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 275582 + ... + 280637.

It is an arithmetic number, because the mean of its divisors is an integer number (116806200).

Almost surely, 2^1406121632 is an apocalyptic number.

It is an amenable number.

1406121632 is a deficient number, since it is larger than the sum of its proper divisors (1397227168).

1406121632 is an equidigital number, since it uses as much as digits as its factorization.

1406121632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556308 (or 556300 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1406121632 is about 37498.2883876051. The cubic root of 1406121632 is about 1120.3170955892.

Adding to 1406121632 its reverse (2361216041), we get a palindrome (3767337673).

The spelling of 1406121632 in words is "one billion, four hundred six million, one hundred twenty-one thousand, six hundred thirty-two".