1201732445 has 4 divisors (see below), whose sum is σ = 1442078940. Its totient is φ = 961385952.

The previous prime is 1201732409. The next prime is 1201732447. The reversal of 1201732445 is 5442371021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 208600249 + 993132196 = 14443^2 + 31514^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201732445 - 2¹² = 1201728349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201732447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120173240 + ... + 120173249.

It is an arithmetic number, because the mean of its divisors is an integer number (360519735).

Almost surely, 2^1201732445 is an apocalyptic number.

It is an amenable number.

1201732445 is a deficient number, since it is larger than the sum of its proper divisors (240346495).

1201732445 is an equidigital number, since it uses as much as digits as its factorization.

1201732445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240346494.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1201732445 is about 34666.0128223596. The cubic root of 1201732445 is about 1063.1697114834.

The spelling of 1201732445 in words is "one billion, two hundred one million, seven hundred thirty-two thousand, four hundred forty-five".