2961129 has 4 divisors (see below), whose sum is σ = 3948176. Its totient is φ = 1974084.

The previous prime is 2961121. The next prime is 2961137. The reversal of 2961129 is 9211692.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2961121) and next prime (2961137).

It is not a de Polignac number, because 2961129 - 2³ = 2961121 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2961096 and 2961105.

It is not an unprimeable number, because it can be changed into a prime (2961121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493519 + ... + 493524.

It is an arithmetic number, because the mean of its divisors is an integer number (987044).

2^2961129 is an apocalyptic number.

It is an amenable number.

2961129 is a deficient number, since it is larger than the sum of its proper divisors (987047).

2961129 is an equidigital number, since it uses as much as digits as its factorization.

2961129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987046.

The product of its digits is 1944, while the sum is 30.

The square root of 2961129 is about 1720.7931310881. The cubic root of 2961129 is about 143.5993395686.

The spelling of 2961129 in words is "two million, nine hundred sixty-one thousand, one hundred twenty-nine".