1420124159 has 4 divisors (see below), whose sum is σ = 1444194120. Its totient is φ = 1396054200.

The previous prime is 1420124143. The next prime is 1420124177. The reversal of 1420124159 is 9514210241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1420124159 - 2⁴ = 1420124143 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 (1420124659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12034892 + ... + 12035009.

It is an arithmetic number, because the mean of its divisors is an integer number (361048530).

Almost surely, 2^1420124159 is an apocalyptic number.

1420124159 is a deficient number, since it is larger than the sum of its proper divisors (24069961).

1420124159 is an equidigital number, since it uses as much as digits as its factorization.

1420124159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24069960.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1420124159 is about 37684.5347457017. The cubic root of 1420124159 is about 1124.0236227163.

The spelling of 1420124159 in words is "one billion, four hundred twenty million, one hundred twenty-four thousand, one hundred fifty-nine".