1097349128 has 16 divisors (see below), whose sum is σ = 2061942480. Its totient is φ = 547497808.

The previous prime is 1097349119. The next prime is 1097349131. The reversal of 1097349128 is 8219437901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143126 + ... + 150597.

It is an arithmetic number, because the mean of its divisors is an integer number (128871405).

Almost surely, 2^1097349128 is an apocalyptic number.

It is an amenable number.

1097349128 is a deficient number, since it is larger than the sum of its proper divisors (964593352).

1097349128 is a wasteful number, since it uses less digits than its factorization.

1097349128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294196 (or 294192 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1097349128 is about 33126.2603986626. The cubic root of 1097349128 is about 1031.4502234651.

The spelling of 1097349128 in words is "one billion, ninety-seven million, three hundred forty-nine thousand, one hundred twenty-eight".