1406886121 has 4 divisors (see below), whose sum is σ = 1414746000. Its totient is φ = 1399026244.

The previous prime is 1406886097. The next prime is 1406886133. The reversal of 1406886121 is 1216886041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1406886121 - 2¹⁵ = 1406853353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406886191) 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, 3929671 + ... + 3930028.

It is an arithmetic number, because the mean of its divisors is an integer number (353686500).

Almost surely, 2^1406886121 is an apocalyptic number.

It is an amenable number.

1406886121 is a deficient number, since it is larger than the sum of its proper divisors (7859879).

1406886121 is an equidigital number, since it uses as much as digits as its factorization.

1406886121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7859878.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 1406886121 is about 37508.4806543800. The cubic root of 1406886121 is about 1120.5200924724.

The spelling of 1406886121 in words is "one billion, four hundred six million, eight hundred eighty-six thousand, one hundred twenty-one".