1162722043 has 16 divisors (see below), whose sum is σ = 1400152320. Its totient is φ = 943227936.

The previous prime is 1162722031. The next prime is 1162722083. The reversal of 1162722043 is 3402272611.

It is not a de Polignac number, because 1162722043 - 2¹⁷ = 1162590971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1162722023) 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 15 ways as a sum of consecutive naturals, for example, 150921 + ... + 158437.

It is an arithmetic number, because the mean of its divisors is an integer number (87509520).

Almost surely, 2^1162722043 is an apocalyptic number.

1162722043 is a deficient number, since it is larger than the sum of its proper divisors (237430277).

1162722043 is a wasteful number, since it uses less digits than its factorization.

1162722043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8706.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1162722043 is about 34098.7102835283. The cubic root of 1162722043 is about 1051.5387998354.

Adding to 1162722043 its reverse (3402272611), we get a palindrome (4564994654).

It can be divided in two parts, 11627 and 22043, that added together give a triangular number (33670 = T₂₅₉).

The spelling of 1162722043 in words is "one billion, one hundred sixty-two million, seven hundred twenty-two thousand, forty-three".