1602256123 has 8 divisors (see below), whose sum is σ = 1727682768. Its totient is φ = 1477140384.

The previous prime is 1602256093. The next prime is 1602256127. The reversal of 1602256123 is 3216522061.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1602256123 is a prime.

It is a super-2 number, since 2×1602256123² = 5134449367381982258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1602256091 and 1602256100.

It is not an unprimeable number, because it can be changed into a prime (1602256127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66961 + ... + 87682.

It is an arithmetic number, because the mean of its divisors is an integer number (215960346).

Almost surely, 2^1602256123 is an apocalyptic number.

1602256123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1602256123 is a deficient number, since it is larger than the sum of its proper divisors (125426645).

1602256123 is a wasteful number, since it uses less digits than its factorization.

1602256123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155453.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1602256123 is about 40028.1916029191. The cubic root of 1602256123 is about 1170.1565823990.

Adding to 1602256123 its reverse (3216522061), we get a palindrome (4818778184).

The spelling of 1602256123 in words is "one billion, six hundred two million, two hundred fifty-six thousand, one hundred twenty-three".