1409180121 has 12 divisors (see below), whose sum is σ = 2037170772. Its totient is φ = 938674176.

The previous prime is 1409180107. The next prime is 1409180141. The reversal of 1409180121 is 1210819041.

It can be written as a sum of positive squares in 2 ways, for example, as 475022025 + 934158096 = 21795^2 + 30564^2 .

It is not a de Polignac number, because 1409180121 - 2⁶ = 1409180057 is a prime.

It is a super-2 number, since 2×1409180121² = 3971577226843149282, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1409180141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53376 + ... + 75281.

It is an arithmetic number, because the mean of its divisors is an integer number (169764231).

Almost surely, 2^1409180121 is an apocalyptic number.

It is an amenable number.

1409180121 is a deficient number, since it is larger than the sum of its proper divisors (627990651).

1409180121 is a wasteful number, since it uses less digits than its factorization.

1409180121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129880 (or 129877 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 1409180121 is about 37539.0479501012. The cubic root of 1409180121 is about 1121.1287835910.

Adding to 1409180121 its reverse (1210819041), we get a palindrome (2619999162).

The spelling of 1409180121 in words is "one billion, four hundred nine million, one hundred eighty thousand, one hundred twenty-one".