1090771928 has 8 divisors (see below), whose sum is σ = 2045197380. Its totient is φ = 545385960.

The previous prime is 1090771907. The next prime is 1090771939. The reversal of 1090771928 is 8291770901.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68173238 + ... + 68173253.

Almost surely, 2^1090771928 is an apocalyptic number.

It is an amenable number.

1090771928 is a deficient number, since it is larger than the sum of its proper divisors (954425452).

1090771928 is a wasteful number, since it uses less digits than its factorization.

1090771928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136346497 (or 136346493 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 44.

The square root of 1090771928 is about 33026.8364818673. The cubic root of 1090771928 is about 1029.3853523284.

The spelling of 1090771928 in words is "one billion, ninety million, seven hundred seventy-one thousand, nine hundred twenty-eight".