1090771512 has 16 divisors (see below), whose sum is σ = 2726928840. Its totient is φ = 363590496.

The previous prime is 1090771511. The next prime is 1090771523. The reversal of 1090771512 is 2151770901.

It is a super-2 number, since 2×1090771512² = 2379564982781532288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090771511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22724383 + ... + 22724430.

Almost surely, 2^1090771512 is an apocalyptic number.

1090771512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1090771512 is an abundant number, since it is smaller than the sum of its proper divisors (1636157328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1090771512 is a wasteful number, since it uses less digits than its factorization.

1090771512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45448822 (or 45448818 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 33.

The square root of 1090771512 is about 33026.8301839580. The cubic root of 1090771512 is about 1029.3852214656.

The spelling of 1090771512 in words is "one billion, ninety million, seven hundred seventy-one thousand, five hundred twelve".