1140501251 has 2 divisors, whose sum is σ = 1140501252. Its totient is φ = 1140501250.

The previous prime is 1140501227. The next prime is 1140501259. The reversal of 1140501251 is 1521050411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1140501251 - 2¹⁴ = 1140484867 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140501259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570250625 + 570250626.

It is an arithmetic number, because the mean of its divisors is an integer number (570250626).

Almost surely, 2^1140501251 is an apocalyptic number.

1140501251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140501251 is an equidigital number, since it uses as much as digits as its factorization.

1140501251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1140501251 is about 33771.3081031813. The cubic root of 1140501251 is about 1044.7970122277.

Adding to 1140501251 its reverse (1521050411), we get a palindrome (2661551662).

The spelling of 1140501251 in words is "one billion, one hundred forty million, five hundred one thousand, two hundred fifty-one".