1071170520 has 64 divisors (see below), whose sum is σ = 3672587520. Its totient is φ = 244838784.

The previous prime is 1071170453. The next prime is 1071170521. The reversal of 1071170520 is 250711701.

It is a happy number.

It is a super-2 number, since 2×1071170520² = 2294812565834140800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071170521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636762 + ... + 638441.

It is an arithmetic number, because the mean of its divisors is an integer number (57384180).

Almost surely, 2^1071170520 is an apocalyptic number.

1071170520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1071170520 is an abundant number, since it is smaller than the sum of its proper divisors (2601417000).

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

1071170520 is a wasteful number, since it uses less digits than its factorization.

1071170520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275224 (or 1275220 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 1071170520 is about 32728.7414973445. The cubic root of 1071170520 is about 1023.1819511264.

The spelling of 1071170520 in words is "one billion, seventy-one million, one hundred seventy thousand, five hundred twenty".