1420105877 has 4 divisors (see below), whose sum is σ = 1465915776. Its totient is φ = 1374295980.

The previous prime is 1420105849. The next prime is 1420105919. The reversal of 1420105877 is 7785010241.

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 1420105877 - 2¹⁰ = 1420104853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420101877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22904903 + ... + 22904964.

It is an arithmetic number, because the mean of its divisors is an integer number (366478944).

Almost surely, 2^1420105877 is an apocalyptic number.

It is an amenable number.

1420105877 is a deficient number, since it is larger than the sum of its proper divisors (45809899).

1420105877 is an equidigital number, since it uses as much as digits as its factorization.

1420105877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45809898.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 1420105877 is about 37684.2921785722. The cubic root of 1420105877 is about 1124.0187993145.

The spelling of 1420105877 in words is "one billion, four hundred twenty million, one hundred five thousand, eight hundred seventy-seven".