1071849492 has 36 divisors (see below), whose sum is σ = 3096454816. Its totient is φ = 306242640.

The previous prime is 1071849481. The next prime is 1071849497. The reversal of 1071849492 is 2949481701.

It is a happy number.

1071849492 is a `hidden beast` number, since 1 + 0 + 71 + 8 + 494 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1071849492² = 2297722667001316128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071849497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2126434 + ... + 2126937.

Almost surely, 2^1071849492 is an apocalyptic number.

1071849492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1071849492 is an abundant number, since it is smaller than the sum of its proper divisors (2024605324).

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

1071849492 is a wasteful number, since it uses less digits than its factorization.

1071849492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253388 (or 4253383 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1071849492 is about 32739.1125719681. The cubic root of 1071849492 is about 1023.3980901230.

The spelling of 1071849492 in words is "one billion, seventy-one million, eight hundred forty-nine thousand, four hundred ninety-two".