1141740421 has 4 divisors (see below), whose sum is σ = 1157821344. Its totient is φ = 1125659500.

The previous prime is 1141740371. The next prime is 1141740427. The reversal of 1141740421 is 1240471411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1240471411 = 19 ⋅65287969.

It is a cyclic number.

It is not a de Polignac number, because 1141740421 - 2¹¹ = 1141738373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141740427) 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, 8040355 + ... + 8040496.

It is an arithmetic number, because the mean of its divisors is an integer number (289455336).

Almost surely, 2^1141740421 is an apocalyptic number.

It is an amenable number.

1141740421 is a deficient number, since it is larger than the sum of its proper divisors (16080923).

1141740421 is an equidigital number, since it uses as much as digits as its factorization.

1141740421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16080922.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 1141740421 is about 33789.6496134541. The cubic root of 1141740421 is about 1045.1752706175.

The spelling of 1141740421 in words is "one billion, one hundred forty-one million, seven hundred forty thousand, four hundred twenty-one".