1200010131 has 12 divisors (see below), whose sum is σ = 1733712552. Its totient is φ = 799838496.

The previous prime is 1200010129. The next prime is 1200010139. The reversal of 1200010131 is 1310100021.

1200010131 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1200010131 - 2¹ = 1200010129 is a prime.

It is a super-2 number, since 2×1200010131² = 2880048629005274322, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1200010139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43615 + ... + 65591.

It is an arithmetic number, because the mean of its divisors is an integer number (144476046).

Almost surely, 2^1200010131 is an apocalyptic number.

1200010131 is a deficient number, since it is larger than the sum of its proper divisors (533702421).

1200010131 is a wasteful number, since it uses less digits than its factorization.

1200010131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28050 (or 28047 counting only the distinct ones).

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

The square root of 1200010131 is about 34641.1623794583. The cubic root of 1200010131 is about 1062.6615596725.

Adding to 1200010131 its reverse (1310100021), we get a palindrome (2510110152).

The spelling of 1200010131 in words is "one billion, two hundred million, ten thousand, one hundred thirty-one".