1201121602 has 8 divisors (see below), whose sum is σ = 1850376636. Its totient is φ = 584329392.

The previous prime is 1201121599. The next prime is 1201121627. The reversal of 1201121602 is 2061211021.

It can be written as a sum of positive squares in 2 ways, for example, as 1195015761 + 6105841 = 34569^2 + 2471^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8115613 + ... + 8115760.

Almost surely, 2^1201121602 is an apocalyptic number.

1201121602 is a deficient number, since it is larger than the sum of its proper divisors (649255034).

1201121602 is a wasteful number, since it uses less digits than its factorization.

1201121602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16231412.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1201121602 is about 34657.2013007398. The cubic root of 1201121602 is about 1062.9895438581.

Adding to 1201121602 its reverse (2061211021), we get a palindrome (3262332623).

The spelling of 1201121602 in words is "one billion, two hundred one million, one hundred twenty-one thousand, six hundred two".