1043200155 has 32 divisors (see below), whose sum is σ = 1770315264. Its totient is φ = 522753536.

The previous prime is 1043200141. The next prime is 1043200157. The reversal of 1043200155 is 5510023401.

It is not a de Polignac number, because 1043200155 - 2⁶ = 1043200091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1043200157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161824 + ... + 168146.

It is an arithmetic number, because the mean of its divisors is an integer number (55322352).

Almost surely, 2^1043200155 is an apocalyptic number.

1043200155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1043200155 is a deficient number, since it is larger than the sum of its proper divisors (727115109).

1043200155 is a wasteful number, since it uses less digits than its factorization.

1043200155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6995.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1043200155 is about 32298.6091805824. The cubic root of 1043200155 is about 1014.1975279362.

Adding to 1043200155 its reverse (5510023401), we get a palindrome (6553223556).

The spelling of 1043200155 in words is "one billion, forty-three million, two hundred thousand, one hundred fifty-five".