1602131123 has 2 divisors, whose sum is σ = 1602131124. Its totient is φ = 1602131122.

The previous prime is 1602131099. The next prime is 1602131131. The reversal of 1602131123 is 3211312061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1602131123 - 2²⁸ = 1333695667 is a prime.

It is a super-2 number, since 2×1602131123² = 5133648270570482258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1602131095 and 1602131104.

It is not a weakly prime, because it can be changed into another prime (1602131143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801065561 + 801065562.

It is an arithmetic number, because the mean of its divisors is an integer number (801065562).

Almost surely, 2^1602131123 is an apocalyptic number.

1602131123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1602131123 is an equidigital number, since it uses as much as digits as its factorization.

1602131123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1602131123 is about 40026.6301729236. The cubic root of 1602131123 is about 1170.1261516885.

Adding to 1602131123 its reverse (3211312061), we get a palindrome (4813443184).

The spelling of 1602131123 in words is "one billion, six hundred two million, one hundred thirty-one thousand, one hundred twenty-three".