1240211141 has 16 divisors (see below), whose sum is σ = 1380288000. Its totient is φ = 1106602560.

The previous prime is 1240211131. The next prime is 1240211143. The reversal of 1240211141 is 1411120421.

It is a cyclic number.

It is not a de Polignac number, because 1240211141 - 2¹⁴ = 1240194757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240211143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603071 + ... + 605123.

It is an arithmetic number, because the mean of its divisors is an integer number (86268000).

Almost surely, 2^1240211141 is an apocalyptic number.

It is an amenable number.

1240211141 is a deficient number, since it is larger than the sum of its proper divisors (140076859).

1240211141 is a wasteful number, since it uses less digits than its factorization.

1240211141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1240211141 is about 35216.6315964489. The cubic root of 1240211141 is about 1074.3980451099.

Adding to 1240211141 its reverse (1411120421), we get a palindrome (2651331562).

The spelling of 1240211141 in words is "one billion, two hundred forty million, two hundred eleven thousand, one hundred forty-one".