1141642 has 4 divisors (see below), whose sum is σ = 1712466. Its totient is φ = 570820.

The previous prime is 1141633. The next prime is 1141649. The reversal of 1141642 is 2461411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2461411 = 61 ⋅40351.

It can be written as a sum of positive squares in only one way, i.e., 998001 + 143641 = 999^2 + 379^2 .

It is not an unprimeable number, because it can be changed into a prime (1141649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285409 + ... + 285412.

2^1141642 is an apocalyptic number.

1141642 is a deficient number, since it is larger than the sum of its proper divisors (570824).

1141642 is an equidigital number, since it uses as much as digits as its factorization.

1141642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570823.

The product of its digits is 192, while the sum is 19.

The square root of 1141642 is about 1068.4764854689. The cubic root of 1141642 is about 104.5145237477.

The spelling of 1141642 in words is "one million, one hundred forty-one thousand, six hundred forty-two".