1201010320 has 40 divisors (see below), whose sum is σ = 2913759936. Its totient is φ = 459516288.

The previous prime is 1201010299. The next prime is 1201010323. The reversal of 1201010320 is 230101021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1201010297 and 1201010306.

It is not an unprimeable number, because it can be changed into a prime (1201010323) 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, 324522 + ... + 328201.

Almost surely, 2^1201010320 is an apocalyptic number.

1201010320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201010320 is an abundant number, since it is smaller than the sum of its proper divisors (1712749616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201010320 is a wasteful number, since it uses less digits than its factorization.

1201010320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652759 (or 652753 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1201010320 is about 34655.5957963501. The cubic root of 1201010320 is about 1062.9567147491.

Adding to 1201010320 its reverse (230101021), we get a palindrome (1431111341).

The spelling of 1201010320 in words is "one billion, two hundred one million, ten thousand, three hundred twenty".