1401202123 has 2 divisors, whose sum is σ = 1401202124. Its totient is φ = 1401202122.

The previous prime is 1401202087. The next prime is 1401202141. The reversal of 1401202123 is 3212021041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1401202123 - 2¹⁷ = 1401071051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401202097 and 1401202106.

It is not a weakly prime, because it can be changed into another prime (1401202163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700601061 + 700601062.

It is an arithmetic number, because the mean of its divisors is an integer number (700601062).

Almost surely, 2^1401202123 is an apocalyptic number.

1401202123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401202123 is an equidigital number, since it uses as much as digits as its factorization.

1401202123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1401202123 is about 37432.6344651295. The cubic root of 1401202123 is about 1119.0090413628.

Adding to 1401202123 its reverse (3212021041), we get a palindrome (4613223164).

The spelling of 1401202123 in words is "one billion, four hundred one million, two hundred two thousand, one hundred twenty-three".