1201510010 has 16 divisors (see below), whose sum is σ = 2176496136. Its totient is φ = 477542208.

The previous prime is 1201510007. The next prime is 1201510019. The reversal of 1201510010 is 100151021.

It can be written as a sum of positive squares in 4 ways, for example, as 785064361 + 416445649 = 28019^2 + 20407^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1201509973 and 1201510000.

It is not an unprimeable number, because it can be changed into a prime (1201510019) 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, 381077 + ... + 384216.

Almost surely, 2^1201510010 is an apocalyptic number.

1201510010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201510010 is a deficient number, since it is larger than the sum of its proper divisors (974986126).

1201510010 is a wasteful number, since it uses less digits than its factorization.

1201510010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765457.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 1201510010 is about 34662.8044162615. The cubic root of 1201510010 is about 1063.1041115383.

Adding to 1201510010 its reverse (100151021), we get a palindrome (1301661031).

The spelling of 1201510010 in words is "one billion, two hundred one million, five hundred ten thousand, ten".