2961121 has 2 divisors, whose sum is σ = 2961122. Its totient is φ = 2961120.

The previous prime is 2961113. The next prime is 2961137. The reversal of 2961121 is 1211692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1661521 + 1299600 = 1289^2 + 1140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2961121 - 2³ = 2961113 is a prime.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2961092 and 2961101.

It is not a weakly prime, because it can be changed into another prime (2961521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1480560 + 1480561.

It is an arithmetic number, because the mean of its divisors is an integer number (1480561).

2^2961121 is an apocalyptic number.

It is an amenable number.

2961121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2961121 is an equidigital number, since it uses as much as digits as its factorization.

2961121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 22.

The square root of 2961121 is about 1720.7908065770. The cubic root of 2961121 is about 143.5992102490.

It can be divided in two parts, 2961 and 121, that multiplied together give a triangular number (358281 = T₈₄₆).

The spelling of 2961121 in words is "two million, nine hundred sixty-one thousand, one hundred twenty-one".