1201020010 has 8 divisors (see below), whose sum is σ = 2161836036. Its totient is φ = 480408000.

The previous prime is 1201019993. The next prime is 1201020047. The reversal of 1201020010 is 100201021.

It can be written as a sum of positive squares in 2 ways, for example, as 1197229201 + 3790809 = 34601^2 + 1947^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1201019975 and 1201020002.

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, 60050991 + ... + 60051010.

Almost surely, 2^1201020010 is an apocalyptic number.

1201020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201020010 is a deficient number, since it is larger than the sum of its proper divisors (960816026).

1201020010 is a wasteful number, since it uses less digits than its factorization.

1201020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120102008.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1201020010 is about 34655.7356003303. The cubic root of 1201020010 is about 1062.9595734598.

Adding to 1201020010 its reverse (100201021), we get a palindrome (1301221031).

The spelling of 1201020010 in words is "one billion, two hundred one million, twenty thousand, ten".