1201884823 has 4 divisors (see below), whose sum is σ = 1202412640. Its totient is φ = 1201357008.

The previous prime is 1201884821. The next prime is 1201884833. The reversal of 1201884823 is 3284881021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201884823 - 2¹ = 1201884821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201884821) 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 3 ways as a sum of consecutive naturals, for example, 260478 + ... + 265051.

It is an arithmetic number, because the mean of its divisors is an integer number (300603160).

Almost surely, 2^1201884823 is an apocalyptic number.

1201884823 is a deficient number, since it is larger than the sum of its proper divisors (527817).

1201884823 is an equidigital number, since it uses as much as digits as its factorization.

1201884823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527816.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 1201884823 is about 34668.2105537624. The cubic root of 1201884823 is about 1063.2146457304.

The spelling of 1201884823 in words is "one billion, two hundred one million, eight hundred eighty-four thousand, eight hundred twenty-three".