1420100782 has 8 divisors (see below), whose sum is σ = 2130723576. Its totient is φ = 709859592.

The previous prime is 1420100779. The next prime is 1420100783. The reversal of 1420100782 is 2870010241.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420100783) 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, 85908 + ... + 101095.

It is an arithmetic number, because the mean of its divisors is an integer number (266340447).

Almost surely, 2^1420100782 is an apocalyptic number.

1420100782 is a deficient number, since it is larger than the sum of its proper divisors (710622794).

1420100782 is a wasteful number, since it uses less digits than its factorization.

1420100782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190802.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 1420100782 is about 37684.2245774011. The cubic root of 1420100782 is about 1124.0174550761.

The spelling of 1420100782 in words is "one billion, four hundred twenty million, one hundred thousand, seven hundred eighty-two".