1140200461 has 2 divisors, whose sum is σ = 1140200462. Its totient is φ = 1140200460.

The previous prime is 1140200423. The next prime is 1140200483. The reversal of 1140200461 is 1640020411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 860307561 + 279892900 = 29331^2 + 16730^2 .

It is an emirp because it is prime and its reverse (1640020411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1140200461 - 2¹⁷ = 1140069389 is a prime.

It is a super-2 number, since 2×1140200461² = 2600114182529225042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140206461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570100230 + 570100231.

It is an arithmetic number, because the mean of its divisors is an integer number (570100231).

Almost surely, 2^1140200461 is an apocalyptic number.

It is an amenable number.

1140200461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140200461 is an equidigital number, since it uses as much as digits as its factorization.

1140200461 is an evil number, because the sum of its binary digits is even.

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

The square root of 1140200461 is about 33766.8544729887. The cubic root of 1140200461 is about 1044.7051543349.

Adding to 1140200461 its reverse (1640020411), we get a palindrome (2780220872).

It can be divided in two parts, 1140 and 200461, that added together give a square (201601 = 449²).

The spelling of 1140200461 in words is "one billion, one hundred forty million, two hundred thousand, four hundred sixty-one".