1151262343 has 16 divisors (see below), whose sum is σ = 1462427136. Its totient is φ = 880158240.

The previous prime is 1151262331. The next prime is 1151262347. The reversal of 1151262343 is 3432621511.

It is a cyclic number.

It is not a de Polignac number, because 1151262343 - 2⁵ = 1151262311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151262347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136971 + ... + 145132.

It is an arithmetic number, because the mean of its divisors is an integer number (91401696).

Almost surely, 2^1151262343 is an apocalyptic number.

1151262343 is a deficient number, since it is larger than the sum of its proper divisors (311164793).

1151262343 is a wasteful number, since it uses less digits than its factorization.

1151262343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282174.

The product of its digits is 4320, while the sum is 28.

The square root of 1151262343 is about 33930.2570429403. The cubic root of 1151262343 is about 1048.0727589555.

Adding to 1151262343 its reverse (3432621511), we get a palindrome (4583883854).

The spelling of 1151262343 in words is "one billion, one hundred fifty-one million, two hundred sixty-two thousand, three hundred forty-three".