1200015141 has 16 divisors (see below), whose sum is σ = 1724264640. Its totient is φ = 737971200.

The previous prime is 1200015121. The next prime is 1200015149. The reversal of 1200015141 is 1415100021.

It is a happy number.

It is not a de Polignac number, because 1200015141 - 2⁵ = 1200015109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200015141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200015149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52830 + ... + 72048.

It is an arithmetic number, because the mean of its divisors is an integer number (107766540).

Almost surely, 2^1200015141 is an apocalyptic number.

It is an amenable number.

1200015141 is a deficient number, since it is larger than the sum of its proper divisors (524249499).

1200015141 is a wasteful number, since it uses less digits than its factorization.

1200015141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20836.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1200015141 is about 34641.2346921988. The cubic root of 1200015141 is about 1062.6630385286.

Adding to 1200015141 its reverse (1415100021), we get a palindrome (2615115162).

The spelling of 1200015141 in words is "one billion, two hundred million, fifteen thousand, one hundred forty-one".