1141621 has 8 divisors (see below), whose sum is σ = 1240344. Its totient is φ = 1044480.

The previous prime is 1141597. The next prime is 1141631. The reversal of 1141621 is 1261411.

It can be written as a sum of positive squares in 4 ways, for example, as 239121 + 902500 = 489^2 + 950^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1141621 - 2⁹ = 1141109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1141595 and 1141604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461 + ... + 2101.

It is an arithmetic number, because the mean of its divisors is an integer number (155043).

2^1141621 is an apocalyptic number.

It is an amenable number.

1141621 is a deficient number, since it is larger than the sum of its proper divisors (98723).

1141621 is a wasteful number, since it uses less digits than its factorization.

1141621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791.

The product of its digits is 48, while the sum is 16.

The square root of 1141621 is about 1068.4666583474. The cubic root of 1141621 is about 104.5138829109.

The spelling of 1141621 in words is "one million, one hundred forty-one thousand, six hundred twenty-one".