1128497295 has 8 divisors (see below), whose sum is σ = 1805595696. Its totient is φ = 601865216.

The previous prime is 1128497269. The next prime is 1128497297. The reversal of 1128497295 is 5927948211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1128497295 - 2⁵ = 1128497263 is a prime.

It is a super-2 number, since 2×1128497295² = 2547012289644634050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128497297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37616562 + ... + 37616591.

It is an arithmetic number, because the mean of its divisors is an integer number (225699462).

Almost surely, 2^1128497295 is an apocalyptic number.

1128497295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1128497295 is a deficient number, since it is larger than the sum of its proper divisors (677098401).

1128497295 is an equidigital number, since it uses as much as digits as its factorization.

1128497295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75233161.

The product of its digits is 362880, while the sum is 48.

The square root of 1128497295 is about 33593.1138032782. The cubic root of 1128497295 is about 1041.1185250782.

The spelling of 1128497295 in words is "one billion, one hundred twenty-eight million, four hundred ninety-seven thousand, two hundred ninety-five".