1201204535 has 8 divisors (see below), whose sum is σ = 1441978656. Its totient is φ = 960608160.

The previous prime is 1201204489. The next prime is 1201204553. The reversal of 1201204535 is 5354021021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201204535 - 2⁶ = 1201204471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201204535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29084 + ... + 56993.

It is an arithmetic number, because the mean of its divisors is an integer number (180247332).

Almost surely, 2^1201204535 is an apocalyptic number.

1201204535 is a deficient number, since it is larger than the sum of its proper divisors (240774121).

1201204535 is an equidigital number, since it uses as much as digits as its factorization.

1201204535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88873.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1201204535 is about 34658.3977558109. The cubic root of 1201204535 is about 1063.0140084593.

Adding to 1201204535 its reverse (5354021021), we get a palindrome (6555225556).

The spelling of 1201204535 in words is "one billion, two hundred one million, two hundred four thousand, five hundred thirty-five".