1140212441 has 4 divisors (see below), whose sum is σ = 1141938084. Its totient is φ = 1138486800.

The previous prime is 1140212407. The next prime is 1140212497. The reversal of 1140212441 is 1442120411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1442120411 = 47 ⋅30683413.

It can be written as a sum of positive squares in 2 ways, for example, as 809118025 + 331094416 = 28445^2 + 18196^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140212441 - 2²² = 1136018137 is a prime.

It is a super-2 number, since 2×1140212441² = 2600168821222356962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140212641) 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, 861830 + ... + 863151.

It is an arithmetic number, because the mean of its divisors is an integer number (285484521).

Almost surely, 2^1140212441 is an apocalyptic number.

It is an amenable number.

1140212441 is a deficient number, since it is larger than the sum of its proper divisors (1725643).

1140212441 is an equidigital number, since it uses as much as digits as its factorization.

1140212441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725642.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1140212441 is about 33767.0318654157. The cubic root of 1140212441 is about 1044.7088132014.

Adding to 1140212441 its reverse (1442120411), we get a palindrome (2582332852).

The spelling of 1140212441 in words is "one billion, one hundred forty million, two hundred twelve thousand, four hundred forty-one".