1043320151 has 4 divisors (see below), whose sum is σ = 1043390304. Its totient is φ = 1043250000.

The previous prime is 1043320139. The next prime is 1043320163. The reversal of 1043320151 is 1510233401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (1043320139) and next prime (1043320163).

It is a cyclic number.

It is not a de Polignac number, because 1043320151 - 2⁶ = 1043320087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043320111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2975 + ... + 45776.

It is an arithmetic number, because the mean of its divisors is an integer number (260847576).

Almost surely, 2^1043320151 is an apocalyptic number.

1043320151 is a deficient number, since it is larger than the sum of its proper divisors (70153).

1043320151 is an equidigital number, since it uses as much as digits as its factorization.

1043320151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70152.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1043320151 is about 32300.4667303740. The cubic root of 1043320151 is about 1014.2364130853.

Adding to 1043320151 its reverse (1510233401), we get a palindrome (2553553552).

The spelling of 1043320151 in words is "one billion, forty-three million, three hundred twenty thousand, one hundred fifty-one".