1071538072 has 32 divisors (see below), whose sum is σ = 2193065280. Its totient is φ = 486777760.

The previous prime is 1071538063. The next prime is 1071538103. The reversal of 1071538072 is 2708351701.

It is a super-2 number, since 2×1071538072² = 2296387679490954368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248043 + ... + 252325.

It is an arithmetic number, because the mean of its divisors is an integer number (68533290).

Almost surely, 2^1071538072 is an apocalyptic number.

It is an amenable number.

1071538072 is an abundant number, since it is smaller than the sum of its proper divisors (1121527208).

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

1071538072 is a wasteful number, since it uses less digits than its factorization.

1071538072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7143 (or 7139 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 1071538072 is about 32734.3561415220. The cubic root of 1071538072 is about 1023.2989662855.

Adding to 1071538072 its reverse (2708351701), we get a palindrome (3779889773).

The spelling of 1071538072 in words is "one billion, seventy-one million, five hundred thirty-eight thousand, seventy-two".