961343129 has 2 divisors, whose sum is σ = 961343130. Its totient is φ = 961343128.

The previous prime is 961343099. The next prime is 961343147. The reversal of 961343129 is 921343169.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 959326729 + 2016400 = 30973^2 + 1420^2 .

It is a cyclic number.

It is not a de Polignac number, because 961343129 - 2¹² = 961339033 is a prime.

It is a super-2 number, since 2×961343129² = 1848361223351021282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 961343092 and 961343101.

It is not a weakly prime, because it can be changed into another prime (961333129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480671564 + 480671565.

It is an arithmetic number, because the mean of its divisors is an integer number (480671565).

Almost surely, 2^961343129 is an apocalyptic number.

It is an amenable number.

961343129 is a deficient number, since it is larger than the sum of its proper divisors (1).

961343129 is an equidigital number, since it uses as much as digits as its factorization.

961343129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 961343129 is about 31005.5338447833. The cubic root of 961343129 is about 986.9446765867.

The spelling of 961343129 in words is "nine hundred sixty-one million, three hundred forty-three thousand, one hundred twenty-nine".