1141961 has 4 divisors (see below), whose sum is σ = 1153152. Its totient is φ = 1130772.

The previous prime is 1141949. The next prime is 1141963. The reversal of 1141961 is 1691411.

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 a cyclic number.

It is not a de Polignac number, because 1141961 - 2¹⁸ = 879817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5441 + ... + 5646.

It is an arithmetic number, because the mean of its divisors is an integer number (288288).

2^1141961 is an apocalyptic number.

It is an amenable number.

1141961 is a deficient number, since it is larger than the sum of its proper divisors (11191).

1141961 is a wasteful number, since it uses less digits than its factorization.

1141961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11190.

The product of its digits is 216, while the sum is 23.

The square root of 1141961 is about 1068.6257530118. The cubic root of 1141961 is about 104.5242573969.

The spelling of 1141961 in words is "one million, one hundred forty-one thousand, nine hundred sixty-one".