1709420124 has 12 divisors (see below), whose sum is σ = 3988646984. Its totient is φ = 569806704.

The previous prime is 1709420117. The next prime is 1709420137. The reversal of 1709420124 is 4210249071.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1709420091 and 1709420100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71225827 + ... + 71225850.

Almost surely, 2^1709420124 is an apocalyptic number.

It is an amenable number.

1709420124 is an abundant number, since it is smaller than the sum of its proper divisors (2279226860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1709420124 is a wasteful number, since it uses less digits than its factorization.

1709420124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142451684 (or 142451682 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1709420124 is about 41345.1342239930. The cubic root of 1709420124 is about 1195.6835952688.

Adding to 1709420124 its reverse (4210249071), we get a palindrome (5919669195).

The spelling of 1709420124 in words is "one billion, seven hundred nine million, four hundred twenty thousand, one hundred twenty-four".