1071857248 has 192 divisors, whose sum is σ = 2739018240. Its totient is φ = 400896000.

The previous prime is 1071857239. The next prime is 1071857249. The reversal of 1071857248 is 8427581701.

It is a super-2 number, since 2×1071857248² = 2297755920180267008, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071857249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10612398 + ... + 10612498.

It is an arithmetic number, because the mean of its divisors is an integer number (14265720).

Almost surely, 2^1071857248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1071857248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1369509120).

1071857248 is an abundant number, since it is smaller than the sum of its proper divisors (1667160992).

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

1071857248 is a wasteful number, since it uses less digits than its factorization.

1071857248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 43.

The square root of 1071857248 is about 32739.2310233457. The cubic root of 1071857248 is about 1023.4005585841.

The spelling of 1071857248 in words is "one billion, seventy-one million, eight hundred fifty-seven thousand, two hundred forty-eight".