1121941 has 2 divisors, whose sum is σ = 1121942. Its totient is φ = 1121940.

The previous prime is 1121933. The next prime is 1121947. The reversal of 1121941 is 1491211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1110916 + 11025 = 1054^2 + 105^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121941 - 2³ = 1121933 is a prime.

It is a Chen prime.

It is equal to p₈₇₃₁₀ and since 1121941 and 87310 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560970 + 560971.

It is an arithmetic number, because the mean of its divisors is an integer number (560971).

2^1121941 is an apocalyptic number.

It is an amenable number.

1121941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121941 is an equidigital number, since it uses as much as digits as its factorization.

1121941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 19.

The square root of 1121941 is about 1059.2171637582. The cubic root of 1121941 is about 103.9098392658.

It can be divided in two parts, 11 and 21941, that added together give a cube (21952 = 28³).

The spelling of 1121941 in words is "one million, one hundred twenty-one thousand, nine hundred forty-one".