1141221134 has 4 divisors (see below), whose sum is σ = 1711831704. Its totient is φ = 570610566.

The previous prime is 1141221091. The next prime is 1141221139. The reversal of 1141221134 is 4311221411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4311221411 = 7 ⋅615888773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141221139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285305282 + ... + 285305285.

It is an arithmetic number, because the mean of its divisors is an integer number (427957926).

Almost surely, 2^1141221134 is an apocalyptic number.

1141221134 is a deficient number, since it is larger than the sum of its proper divisors (570610570).

1141221134 is an equidigital number, since it uses as much as digits as its factorization.

1141221134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570610569.

The product of its digits is 192, while the sum is 20.

The square root of 1141221134 is about 33781.9646261137. The cubic root of 1141221134 is about 1045.0167908598.

Adding to 1141221134 its reverse (4311221411), we get a palindrome (5452442545).

The spelling of 1141221134 in words is "one billion, one hundred forty-one million, two hundred twenty-one thousand, one hundred thirty-four".