1071530915 has 32 divisors (see below), whose sum is σ = 1625366400. Its totient is φ = 659902464.

The previous prime is 1071530899. The next prime is 1071530959. The reversal of 1071530915 is 5190351701.

It is a happy number.

It is not a de Polignac number, because 1071530915 - 2⁴ = 1071530899 is a prime.

It is a super-2 number, since 2×1071530915² = 2296357003601474450, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 14990 + ... + 48659.

It is an arithmetic number, because the mean of its divisors is an integer number (50792700).

Almost surely, 2^1071530915 is an apocalyptic number.

1071530915 is a deficient number, since it is larger than the sum of its proper divisors (553835485).

1071530915 is a wasteful number, since it uses less digits than its factorization.

1071530915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63711.

The product of its (nonzero) digits is 4725, while the sum is 32.

The square root of 1071530915 is about 32734.2468219448. The cubic root of 1071530915 is about 1023.2966880131.

The spelling of 1071530915 in words is "one billion, seventy-one million, five hundred thirty thousand, nine hundred fifteen".