1201450501 has 4 divisors (see below), whose sum is σ = 1202037772. Its totient is φ = 1200863232.

The previous prime is 1201450489. The next prime is 1201450513. The reversal of 1201450501 is 1050541021.

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

It is an interprime number because it is at equal distance from previous prime (1201450489) and next prime (1201450513).

It can be written as a sum of positive squares in 2 ways, for example, as 987530625 + 213919876 = 31425^2 + 14626^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201450501 - 2⁷ = 1201450373 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 (1201450301) 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, 290556 + ... + 294661.

It is an arithmetic number, because the mean of its divisors is an integer number (300509443).

Almost surely, 2^1201450501 is an apocalyptic number.

It is an amenable number.

1201450501 is a deficient number, since it is larger than the sum of its proper divisors (587271).

1201450501 is an equidigital number, since it uses as much as digits as its factorization.

1201450501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587270.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1201450501 is about 34661.9460071128. The cubic root of 1201450501 is about 1063.0865599279.

Adding to 1201450501 its reverse (1050541021), we get a palindrome (2251991522).

The spelling of 1201450501 in words is "one billion, two hundred one million, four hundred fifty thousand, five hundred one".