1420404461 has 8 divisors (see below), whose sum is σ = 1623608640. Its totient is φ = 1217272608.

The previous prime is 1420404457. The next prime is 1420404473. The reversal of 1420404461 is 1644040241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1420404461 - 2² = 1420404457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420404461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420404421) 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 7 ways as a sum of consecutive naturals, for example, 34025 + ... + 63233.

It is an arithmetic number, because the mean of its divisors is an integer number (202951080).

Almost surely, 2^1420404461 is an apocalyptic number.

It is an amenable number.

1420404461 is a deficient number, since it is larger than the sum of its proper divisors (203204179).

1420404461 is an equidigital number, since it uses as much as digits as its factorization.

1420404461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36163.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1420404461 is about 37688.2536209891. The cubic root of 1420404461 is about 1124.0975705563.

The spelling of 1420404461 in words is "one billion, four hundred twenty million, four hundred four thousand, four hundred sixty-one".