1301020123 has 8 divisors (see below), whose sum is σ = 1411180400. Its totient is φ = 1192300128.

The previous prime is 1301020073. The next prime is 1301020129. The reversal of 1301020123 is 3210201031.

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

It is a cyclic number.

It is not a de Polignac number, because 1301020123 - 2¹³ = 1301011931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301020129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358188 + ... + 361801.

It is an arithmetic number, because the mean of its divisors is an integer number (176397550).

Almost surely, 2^1301020123 is an apocalyptic number.

1301020123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1301020123 is a deficient number, since it is larger than the sum of its proper divisors (110160277).

1301020123 is a wasteful number, since it uses less digits than its factorization.

1301020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720141.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1301020123 is about 36069.6565411982. The cubic root of 1301020123 is about 1091.6782840582.

Adding to 1301020123 its reverse (3210201031), we get a palindrome (4511221154).

It can be divided in two parts, 13010 and 20123, that added together give a palindrome (33133).

The spelling of 1301020123 in words is "one billion, three hundred one million, twenty thousand, one hundred twenty-three".