1202120313 has 8 divisors (see below), whose sum is σ = 1618388928. Its totient is φ = 793632624.

The previous prime is 1202120299. The next prime is 1202120317. The reversal of 1202120313 is 3130212021.

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

It is a de Polignac number, because none of the positive numbers 2^k-1202120313 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1202120292 and 1202120301.

It is not an unprimeable number, because it can be changed into a prime (1202120317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944870 + ... + 1945487.

It is an arithmetic number, because the mean of its divisors is an integer number (202298616).

Almost surely, 2^1202120313 is an apocalyptic number.

It is an amenable number.

1202120313 is a deficient number, since it is larger than the sum of its proper divisors (416268615).

1202120313 is a wasteful number, since it uses less digits than its factorization.

1202120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890463.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1202120313 is about 34671.6067265421. The cubic root of 1202120313 is about 1063.2840811321.

Adding to 1202120313 its reverse (3130212021), we get a palindrome (4332332334).

The spelling of 1202120313 in words is "one billion, two hundred two million, one hundred twenty thousand, three hundred thirteen".