1140124157 has 2 divisors, whose sum is σ = 1140124158. Its totient is φ = 1140124156.

The previous prime is 1140124103. The next prime is 1140124163. The reversal of 1140124157 is 7514210411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 602162521 + 537961636 = 24539^2 + 23194^2 .

It is an emirp because it is prime and its reverse (7514210411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1140124157 - 2⁶ = 1140124093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140124957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570062078 + 570062079.

It is an arithmetic number, because the mean of its divisors is an integer number (570062079).

Almost surely, 2^1140124157 is an apocalyptic number.

It is an amenable number.

1140124157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140124157 is an equidigital number, since it uses as much as digits as its factorization.

1140124157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 1140124157 is about 33765.7245887009. The cubic root of 1140124157 is about 1044.6818493802.

Adding to 1140124157 its reverse (7514210411), we get a palindrome (8654334568).

The spelling of 1140124157 in words is "one billion, one hundred forty million, one hundred twenty-four thousand, one hundred fifty-seven".