1202201123 has 2 divisors, whose sum is σ = 1202201124. Its totient is φ = 1202201122.

The previous prime is 1202201113. The next prime is 1202201137. The reversal of 1202201123 is 3211022021.

It is a happy number.

It is an a-pointer prime, because the next prime (1202201137) can be obtained adding 1202201123 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202201123 - 2⁴ = 1202201107 is a prime.

It is a super-2 number, since 2×1202201123² = 2890575080284922258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1202201098 and 1202201107.

It is not a weakly prime, because it can be changed into another prime (1202201113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601100561 + 601100562.

It is an arithmetic number, because the mean of its divisors is an integer number (601100562).

Almost surely, 2^1202201123 is an apocalyptic number.

1202201123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202201123 is an equidigital number, since it uses as much as digits as its factorization.

1202201123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1202201123 is about 34672.7720697379. The cubic root of 1202201123 is about 1063.3079062740.

Adding to 1202201123 its reverse (3211022021), we get a palindrome (4413223144).

The spelling of 1202201123 in words is "one billion, two hundred two million, two hundred one thousand, one hundred twenty-three".