1409420231 has 2 divisors, whose sum is σ = 1409420232. Its totient is φ = 1409420230.

The previous prime is 1409420227. The next prime is 1409420237. The reversal of 1409420231 is 1320249041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1409420231 - 2² = 1409420227 is a prime.

It is a super-2 number, since 2×1409420231² = 3972930775104186722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1409420231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1409420237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704710115 + 704710116.

It is an arithmetic number, because the mean of its divisors is an integer number (704710116).

Almost surely, 2^1409420231 is an apocalyptic number.

1409420231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1409420231 is an equidigital number, since it uses as much as digits as its factorization.

1409420231 is an evil number, because the sum of its binary digits is even.

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

The square root of 1409420231 is about 37542.2459503957. The cubic root of 1409420231 is about 1121.1924562993.

Adding to 1409420231 its reverse (1320249041), we get a palindrome (2729669272).

The spelling of 1409420231 in words is "one billion, four hundred nine million, four hundred twenty thousand, two hundred thirty-one".