1071398548 has 24 divisors (see below), whose sum is σ = 2165716224. Its totient is φ = 458352000.

The previous prime is 1071398527. The next prime is 1071398557. The reversal of 1071398548 is 8458931701.

It is a happy number.

It is a super-2 number, since 2×1071398548² = 2295789697313016608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071398498 and 1071398507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715428 + ... + 716923.

It is an arithmetic number, because the mean of its divisors is an integer number (90238176).

Almost surely, 2^1071398548 is an apocalyptic number.

It is an amenable number.

1071398548 is an abundant number, since it is smaller than the sum of its proper divisors (1094317676).

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

1071398548 is a wasteful number, since it uses less digits than its factorization.

1071398548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432383 (or 1432381 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 1071398548 is about 32732.2249167392. The cubic root of 1071398548 is about 1023.2545500811.

The spelling of 1071398548 in words is "one billion, seventy-one million, three hundred ninety-eight thousand, five hundred forty-eight".