1201011030 has 64 divisors (see below), whose sum is σ = 3209976000. Its totient is φ = 319541760.

The previous prime is 1201011011. The next prime is 1201011043. The reversal of 1201011030 is 301101021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119646 + ... + 129294.

It is an arithmetic number, because the mean of its divisors is an integer number (50155875).

Almost surely, 2^1201011030 is an apocalyptic number.

1201011030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201011030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604988000).

1201011030 is an abundant number, since it is smaller than the sum of its proper divisors (2008964970).

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

1201011030 is a wasteful number, since it uses less digits than its factorization.

1201011030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10126 (or 10120 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1201011030 is about 34655.6060400046. The cubic root of 1201011030 is about 1062.9569242114.

Adding to 1201011030 its reverse (301101021), we get a palindrome (1502112051).

The spelling of 1201011030 in words is "one billion, two hundred one million, eleven thousand, thirty".