1141949 has 2 divisors, whose sum is σ = 1141950. Its totient is φ = 1141948.

The previous prime is 1141909. The next prime is 1141963. The reversal of 1141949 is 9491411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1036324 + 105625 = 1018^2 + 325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141949 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570974 + 570975.

It is an arithmetic number, because the mean of its divisors is an integer number (570975).

2^1141949 is an apocalyptic number.

It is an amenable number.

1141949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141949 is an equidigital number, since it uses as much as digits as its factorization.

1141949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 29.

The square root of 1141949 is about 1068.6201383092. The cubic root of 1141949 is about 104.5238912736.

The spelling of 1141949 in words is "one million, one hundred forty-one thousand, nine hundred forty-nine".