1201029673 has 4 divisors (see below), whose sum is σ = 1201104208. Its totient is φ = 1200955140.

The previous prime is 1201029637. The next prime is 1201029679. The reversal of 1201029673 is 3769201021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3769201021 = 29 ⋅129972449.

It is a cyclic number.

It is not a de Polignac number, because 1201029673 - 2⁹ = 1201029161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201029679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1923 + ... + 49048.

It is an arithmetic number, because the mean of its divisors is an integer number (300276052).

Almost surely, 2^1201029673 is an apocalyptic number.

It is an amenable number.

1201029673 is a deficient number, since it is larger than the sum of its proper divisors (74535).

1201029673 is an equidigital number, since it uses as much as digits as its factorization.

1201029673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74534.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1201029673 is about 34655.8750142021. The cubic root of 1201029673 is about 1062.9624241896.

The spelling of 1201029673 in words is "one billion, two hundred one million, twenty-nine thousand, six hundred seventy-three".