1201202023 has 6 divisors (see below), whose sum is σ = 1397316696. Its totient is φ = 1029601692.

The previous prime is 1201201993. The next prime is 1201202029. The reversal of 1201202023 is 3202021021.

It is not a de Polignac number, because 1201202023 - 2²⁹ = 664331111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201201994 and 1201202012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201202029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12257115 + ... + 12257212.

It is an arithmetic number, because the mean of its divisors is an integer number (232886116).

Almost surely, 2^1201202023 is an apocalyptic number.

1201202023 is a deficient number, since it is larger than the sum of its proper divisors (196114673).

1201202023 is an equidigital number, since it uses as much as digits as its factorization.

1201202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24514341 (or 24514334 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1201202023 is about 34658.3615163787. The cubic root of 1201202023 is about 1063.0132674550.

Adding to 1201202023 its reverse (3202021021), we get a palindrome (4403223044).

The spelling of 1201202023 in words is "one billion, two hundred one million, two hundred two thousand, twenty-three".