1200131043 has 8 divisors (see below), whose sum is σ = 1600338000. Its totient is φ = 800005728.

The previous prime is 1200131039. The next prime is 1200131047. The reversal of 1200131043 is 3401310021.

It is an interprime number because it is at equal distance from previous prime (1200131039) and next prime (1200131047).

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

It is not a de Polignac number, because 1200131043 - 2² = 1200131039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200131047) 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, 36813 + ... + 61281.

It is an arithmetic number, because the mean of its divisors is an integer number (200042250).

Almost surely, 2^1200131043 is an apocalyptic number.

1200131043 is a deficient number, since it is larger than the sum of its proper divisors (400206957).

1200131043 is a wasteful number, since it uses less digits than its factorization.

1200131043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40821.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1200131043 is about 34642.9075425259. The cubic root of 1200131043 is about 1062.6972494321.

Adding to 1200131043 its reverse (3401310021), we get a palindrome (4601441064).

It can be divided in two parts, 1200 and 131043, that multiplied together give a square (157251600 = 12540²).

The spelling of 1200131043 in words is "one billion, two hundred million, one hundred thirty-one thousand, forty-three".