1151240477 has 2 divisors, whose sum is σ = 1151240478. Its totient is φ = 1151240476.

The previous prime is 1151240471. The next prime is 1151240537. The reversal of 1151240477 is 7740421511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 615734596 + 535505881 = 24814^2 + 23141^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151240477 - 2¹⁴ = 1151224093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151240471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575620238 + 575620239.

It is an arithmetic number, because the mean of its divisors is an integer number (575620239).

Almost surely, 2^1151240477 is an apocalyptic number.

It is an amenable number.

1151240477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151240477 is an equidigital number, since it uses as much as digits as its factorization.

1151240477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 1151240477 is about 33929.9348216291. The cubic root of 1151240477 is about 1048.0661235423.

Adding to 1151240477 its reverse (7740421511), we get a palindrome (8891661988).

The spelling of 1151240477 in words is "one billion, one hundred fifty-one million, two hundred forty thousand, four hundred seventy-seven".