1151738128 has 10 divisors (see below), whose sum is σ = 2231492654. Its totient is φ = 575869056.

The previous prime is 1151738123. The next prime is 1151738141. The reversal of 1151738128 is 8218371511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1148396544 + 3341584 = 33888^2 + 1828^2 .

It is not an unprimeable number, because it can be changed into a prime (1151738123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35991801 + ... + 35991832.

Almost surely, 2^1151738128 is an apocalyptic number.

It is an amenable number.

1151738128 is a deficient number, since it is larger than the sum of its proper divisors (1079754526).

1151738128 is an equidigital number, since it uses as much as digits as its factorization.

1151738128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71983641 (or 71983635 counting only the distinct ones).

The product of its digits is 13440, while the sum is 37.

The square root of 1151738128 is about 33937.2675387987. The cubic root of 1151738128 is about 1048.2171189336.

The spelling of 1151738128 in words is "one billion, one hundred fifty-one million, seven hundred thirty-eight thousand, one hundred twenty-eight".